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Syllabus

The diagonal of a rhombus measure 16cm and 30cm.Find its perimeter

who invented triangles?

ABCD is a quadrilateral. Is AB+BC+CD+DA < 2(AC+BD

how maths use in our daily life

What is the meaning of corresponding height in a triangle?pls give an example

Thanks

A tree is broken at a height of 5 m from the ground and its top touches the ground at a distance of 12 m from the base of the tree. Find the original height of the tree.

VERIFY EXPERIMENTALLY CRITERIA FOR CONGRUENCY OF TRIANGLES USING DIFFERENT TRIANGULAR CUT-OUT SHAPES.

what is exterior angle property?

if L = 8cm, B=6cm, how to find the length of the diagonal of a rectangle using pythagoras theorem pls?

try these page 129-130 (vi)plz class 7

a]-3/4 b]7/4

A 15m long ladder reached a window 12 m high from the ground on placing it against a wall at a distance

a.Find the distance of the foot of the ladder from the wall.what is the full form of ASP

what is square root of 169?

how many altitudes can one triangle have?A small note on aryabhatta's contribution to maths. plzzz i want it fast. First answer will get two thumbs up!!

Find the length of diagonal of a rectangle whose sides are 15cm and 8cm

The lengh of 2 sides of a triangle are 4 cm and 6 cm between what two measures should the lenght of the third side fall ?

Prove that the sum of all the angles of a quadrilateral is 360 degree

(Hint: The sum of the angles in a triangle is 180 degree)

Does the median lie wholly in the interior of the triangle?

How can we find the square root of a number without using a calculator. ( example:- 676=?)

what is the square root of 12345

If the lengths of the diagonals of a rhombus are 6 cm and 8 cm, the perimeter of the rhombus is:_ explain how?

a. 5 cm. b. 12 cm. c. 20 cm. d.40 cm.

The Experts,MeritNation

In the Try these of Maths Book 7 (NCERT) in Page number 130 there is a question:

- Find the unknown length x in the following figures (Fig 6.29):

(vi)When I solved this, I got 2 different answers: Please see the statement as my doubt written at the bottom...

Solution 1)

Solution 2)

But, I my doubt is that whether the following question is correct? If yes which is the right and accurate answer. I want only the experts to clarify my fol'lowing doubt... Waiting for Experts response. Please do it as soon as possible...Thanking You!

Yours Faithfully,

Santanu Sahoo

The lengths of two sides of a triangle are 12 cm and 15 cm. Between what two measures should the length of the third side fall?

What can you say about the sum of an exterior angle of a triangle and its adjacent interior angle?

what is Baudhayan theorem?please explain.

1) The base angle of an isosceles triangle is 55 degree. The size of the vertical angle is

(a) 55 degree (b) 35 degree (c) 70 degree (d) 125 degree

Can anyone please give an explanation for this answer and what is vertical angle....

2) A ladder 25m long reaches a window of a building 20m above the ground.Detemine the distance of the foot of the ladder from the building.

The angles of a triangle are arranged in ascending order of magnitude.If the difference between two angles is 10 degree find the three angles.

A 3-star hotel in Delhi charges 10% sales tax on the price of the food taken.Mr Saxena and his family had food for 685 rupees.Find the total moneyhe had to pay.

Two poles are ,18 cm and 13 cm high ,stand upright in a playground .If their feet are 12 m apart ,find the distance betweeen their tops.

Can a triangle have more than one right angle?

A man goes 5 m in east and then 12 m in north direction. Find the distance from the starting point. Now, sir you have to answer this question with diagram.

a) A median may lie on the exterior of a triangle.

b) Triangle has only one altitude.

c) Altitude of an obtuse angle triangle lies on the exterior of the triangle.

d) Median and altitude of an equilateral triangle are different lines.

e) For a right angle triangle two arms of the right angle are the altitudes of that triangle.

f) One median of an isosceles triangle is a perpendicular bisector of opposite side.

vertical angle of an isoceles triangle is 100 degree find its base angle

Q1 How to solve if two poles 15 m and 30 m high stand up right in a play ground. If their feet are 36 meters apart, find the distance between their tops?

Q2 A man goes 20 m due East and then 15m due south. Find the distance between the starting point and the terminal point?

what is the place where all medians meet called ?

Find the perimeter of the rectangle whose length is 40 cm and a diagonal is 41 cm.

how many types of triangles are there?

is AB+BC+CA greater than 2AM?IF AM is the median of triangle ABC

rnPQR is a triangle right angled at P. If PQ = 10 cm and PR = 24 cm, find QR.

In triangle ABC,angleA=50degree and BC is produced to a point D. The bisectors of angleABC and angleACD meet at E. Find angle E

verify by drawing a diagram if the median and altitude of an isosceles triangle can be same. please hurry!

not understood the vedio. please explain?

write the: side opposite to the vertex Q of trianglePQR

angle opposite to the side LM of triangleLMN

vertex opposite to the side RT of triangleRST

THE HEIGHT OF AN EQUILATERAL TRIANGLE IS ROOT 6 CM. WHAT IS ITS AREA?

Triangle abc is right angled at c. can you locate its orthocenter without drawing any altitude ? If so,name it.

AD is the median of triangle ABC. is it true that AB+AC+BC2AD? give reasons for your answers.

two towers of height28m and 36m are built at a distance of 15m. what is the distance between the tops of the towers??

1. A man goes 7m east and then 24m to south. Find the distance from he starting point?

2.the squareof diagonal of a square is 1250cm. Find the lengthof the sides of a square?

Ram and 1 part to Shyam. What percentage of money he gives to Ram and

Shyam separately

ABC is a triangle,right-angled at C. If AB=25cm and AC=7cm,find BC.

Draw rough sketches for the following:

(a) In ΔABC, BE is a median.

(b) In ΔPQR, PQ and PR are altitudes of the triangle.

(c) In ΔXYZ, YL is an altitude in the exterior of the triangle.

Sides of triangle measure 15 cm , 36 cm and 39 cm . Show that it is a Right Angled Triangle

What can you say about the sum of an exterior angle of a triangle and its adjacent interior angle?

What can you say about each of the interior opposite angles when the exterior angles is

a right angle, an obtuse angle and an acute angle?

Can the exterior angle of a triangle be a straight angle?

HOW MUCH SHORTER IT IS TO WALK DIALGONALLY ACROSS A RECTANGULAR FIELD THAT IS 80M LONG AND 60M WIDE THAN LONG TWO OF ITS ADJACENT SIDES.

How many altitudes can a triangle have? Will an altitude always lie in the interior of the triangle?

rnCan you think of a triangle in which two altitudes of the triangle are two of itssides?

rnCan the altitude and median be the same for a triangle?

a ladder 16m long reaches a window which is 9m above the ground on one side of the street keeping,its foot at the same point the ladder is turn to the other side of the street to reach a window 12m high .find the width of th street.

There are many proofs for pythagorus teorm, using "dissection"and "rearrangement" procedure.paste few of those pictures and explain them.

CAN THE ALTITUDE AND MEDIAN BE SAME FOR A TRIANGLE ?????

why the sum of three sides of a triangle is 180 degree?

A 3.7 m long laddder is placed against a wall in such a way that the foot of the ladder is 1.2 m away from the wall up to what hight does the ladder reach the wall...I guess it is Pythagoras theorum which will be used here but not sure about it....

Q1. State whether following statements are true or false . a) Two diameters of a circle will necessarily intersect. b) The centre of a circle is always in its interior . c) Every diameter of a circle is also a chord. d) Every chord of a circle is also a diameter of the circle e) A polygon can have two sides. Q2. Fill up the blanks— a) A quadrilateral is a polygon formed by _______ line segments. b) Curve in which starting point and end point does not meet is called a _______ curve. c) All radii of a circle are _______. Q3. Draw a circle and mark — a) It’s center as point O. b) Radius as OA. c) Diameter as AB. d) Chord as CD. e) Shade a segment with blue color and name it. f) Shade a sector with yellow color and name it.

Q1. State whether following statements are true or false . a) Two diameters of a circle will necessarily intersect. b) The centre of a circle is always in its interior . c) Every diameter of a circle is also a chord. d) Every chord of a circle is also a diameter of the circle e) A polygon can have two sides. Q2. Fill up the blanks— a) A quadrilateral is a polygon formed by _______ line segments. b) Curve in which starting point and end point does not meet is called a _______ curve. c) All radii of a circle are _______. Q3. Draw a circle and mark — a) It’s center as point O. b) Radius as OA. c) Diameter as AB. d) Chord as CD. e) Shade a segment with blue color and name it. f) Shade a sector with yellow color and name it.

Q1. State whether following statements are true or false . a) Two diameters of a circle will necessarily intersect. b) The centre of a circle is always in its interior . c) Every diameter of a circle is also a chord. d) Every chord of a circle is also a diameter of the circle e) A polygon can have two sides. Q2. Fill up the blanks— a) A quadrilateral is a polygon formed by _______ line segments. b) Curve in which starting point and end point does not meet is called a _______ curve. c) All radii of a circle are _______. Q3. Draw a circle and mark — a) It’s center as point O. b) Radius as OA. c) Diameter as AB. d) Chord as CD. e) Shade a segment with blue color and name it. f) Shade a sector with yellow color and name it.

DIFFERENT TYPES OF TRIANGLES AND THERE DEFINATIONS

I have been assigned Summer Holiday Homework on MATH as follows: "MAKE A MODEL TO SHOW TEA DROPS INSIDE TRIANGLE USING THREAD". Can anybody help me understand what is the model about and how to make it. Your help will be highly appreciated. Thanks in advance.

Debashish Karak, VIIA, Amrita Vidyalayam, Saket, New Delhi.

Is Median and angle bisector of a triangle same?? I came across the following line in a olympiad textbook for class 7 that seems to mean that both median and angle bisectors are same. I am quoting that line.

"The bisector of an angle of a triangle bisects the opposite sides in the ratio of opposite sides"

Please clarify.