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Syllabus

ABC is a triangle. AD is a median of ABC. E is the midpoint of AD and produced to meet AC at F. prove that AF=1/3AC

IN TRIANGLE PQR IF ANGLE R IS GREATER THAN ANGLE Q THEN THE RIGHT ANSWER IS

1)QR IS GREATER THAN PR

2)PQ IS GREATER THAN PR

3)PR IS GREATER THAN PQ

OR 4)PR IS GREATER THAN QR

what is the full form of cpct ? what does it mean ?

1.if two isosceles triangle have a common base,prove that the line segment joining their vertices bisects the common base at right angles.

2.show that the sum of three medians of a triangle is less than its perimeter.

In a triangle ABC AD is the bisector of angle BAC. Show that AB>BD and AC>CD

1. If the bisector of an angle of a triangle also bisect the opp. side , prove that the triangle is isos . triangle ?

2. If triangle ABC is right angle at B. such that angle BCA=2 angle BAC . show that hypt.AC =2BC ?

3. bisector of angle B and angle C of isos. triangle ABC with AB=AC intersect each other at O. Show that external angle adjacent to angle ABC = angle BOC

4. In a rt. triangle prove that the line segment joining the mid point of the hypt to the opp. vertex is half of the hypt ?

5. line segment joining the midpoint M&N of prallel sides AB and DC . respectivelly of a trap. ABCD is perpendicular to both sides AB and DC . prove that AD = BC ?

If root x/ root 81 = cube root x/root 27 ,then x is ?

What is CPCT?Give me a detailed brief about cpct?

a) 45 degree b) 60 degree c) 80 degree d) 90 degree

If the altitudes of a triangle ABC are equal,then prove that triangle is equilateral.

The sides of a triangle are 25 cm, 17 cm, and 12cm, .The length of the altitude on the longest side is ?

if a+b+c=15 and a2+b2+c2=83 find value of a3+b3+c3-3abc

proof for basic proportionality theorem

Prove that Sum of Two Sides of a triangle is greater than twice the length of median drawn to third side.

prove that sum of all 3 angles of a triangle is 180.

Q. In the given figure, find the value of x ?

if x

^{3}+ 1/x^{3}= 110 then find the value of x+1/x10. The sides AB and BC of a square ABCD are produced to P and Q respectively so that BP=CQ. Prove that PD and AQ are equal and perpendicular to each other.

In a triange ABC, prove that AB + AC > 2AD, where AD is the median from A to BC..pls answer this one....

if each side of a triangle is halved , then its perimeter will be decreased by what per cent ?

If D is a mid-point of the hypotenuse AC of a right angled triangle ABC ( right angled at B ), prove that BD=1/2 ACQ. In the given figure, find the value of p.

prove that the difference of any two sides of a triangle is less than third side.

rs agarwal class 9 summative assessment sample paper 1 solution Question 33

prove that the perpendicular bisector of the sides of a cyclic quadrilateral are concurrent.

If AF = CE, then prove that BE = FD.

abc is a triangle with angle b = 2(angle c). d is a point on bc such that ad bisects angle bac and ab = cd.Prove angle bac = 72 degree

Q. In triangle ABC. if $\text{\u2220}$ABD = 64, what is the measure of $\text{\u2220}$DEC - $\text{\u2220}$ACE

the side QR of triangle PQR is produced to a point S. If the bisectors of angle PQR and angle PRS meet at a point T, then prove that Angle QTR = 1/2 angle QPR.

I have an exam tomorrow!

I need the answer quick!!!!!

(A) 8.3 cm, 3.4 cm, 6.1 cm

(B) 5.4 cm, 2.3cm , 3.1 cm

(C) 6 cm, 7 cm, 10 cm

(D) 3 cm, 5 cm, 5 cm

Prove that medians of equilateral triangle are equal.

Prove tht sum of 3 altitudes of a triangle is less than the sum of three sides of a triangle

in the given figure , AB // DG , AC // DE , angle EDH = 25 and angle BAC = 20 , FIND x and y ?From a point in the interior of an equilateral triangle,perpendiculars are drawn on three sides.The length of perpendiculars are 14 cm,10 cm and 6 cm.Find the area of the triangle.

## Rima used 3 of these 4 sticks to form a triangle with their ends touching each other.

Which of these could be the 3 sticks?

A. sticks P,Q and R

B.sticks P,Q and S

C. sticks P,R and S

d. sticks Q,R and S

CAN SOMEONE REPLY WHAT THE CORRECT ANS IS WITH EXPLAINATION

Construct a triangle XYZ in which angleY = 30

^{ }degree, angle Z = 90 degree, xy + yz + zx = 11cm..Is it possible to have a triangle like this without decimals considering the Pythagorean theorem??

maths crossword puzzle for class 9

MCQ Questions:-

1. One of the angles of a triangle is 75 degree. the difference of other two angles is 35 degree. then the largest angle of the triangle is ______.

a. 80. b. 75. c. 100. d. 135.

2. exterior angle of a triangle is 120 and the two triangle interior opposite angles are equal. Each of these angles is ______.

a. 60 b. 100 c. 120 d.180

3. two lines are respectively perpendicular to two sides perpendicular lines. then there are two lines are each other are ________.

a. parellel b. perpendicular c. inclined at acute angle d. intersect at 110 degree.

4. two supplemenatry angle are in ratio is 4:5. then the angles are _______

a. 90, 90 b. 80, 100 c. 30,50 d. 45,45.

5. in the figure angle POR = 3x and angle QOR = 2x + 10. the value of x for which POR is a straight line is ______.

a. 34, b. 24. c. 0. d. 10.

6. the compliment of CM is _____.

a. M b. 90 degree + M c. 90 degree minus M d. M x 90 degree.

7. in the figure, if M parellel to N, angle A : angle B = 2:3, then the measure of angle H is ______.

a. 72 degree b. 108 degree c. 120 degree d. 150 degree

8. two complimentary angles are in the ratio 1:5. then the measure of the angle is ______

a. 15, 75 b. 75, 15 c. 12, 60 d. 60,12.

9. in a right angled triangle, the two acute angle are in the ratio 4:5. then the acute angles are _____.

a. 50,40 b. 40,50 c. 45,55 d.30,60

10. if the measure of an angle is twice the measure of it's supplementary angle, then the measure of an angle is _____

a. 60 b. 90 c.120 d.130

If the bisector of the vertical angle of a triangle bisects the base,prove that the triangle is isosceles.

1) Prove that sum of any two sides of a triangle is greater than twice the median with respect to third side.

2) Show that the sum of three altitudes of a triangle is less than the sum of all three sides of triangle.

3) Prove that any two sides of a triangle are together greater than twice the median drawn to the 3rd side.

4) Prove that the perimeter of a triangle is greater than the sum of its medians.

5) In a quadrilateral ABCD in which diagonals AC BD intersects at O. Show that AB+BC+CD+DA 2(AC+BD)

6) ABC is a triangle in which angle B = twice angle C. D is a point on side BC such that AD bisects angle A and AB= CD. Prove that Angle BAC=72

ABCD is a square and EF is parallel to diagonal BD and EM=FM. prove that

DF=BE

AM bisects angle BAD

a) Show that ar (triangle BED) = 1/4 ar (triangle ABC)

b) Do you think such campaigns should be organized Justify

In triangle PQR, PS is the bisector of angle QPR and PT perpendicular QR. Show that angle TPS = 1/2 (angle Q-angle R).Its urgent ...Answer Fast Please.....

AB and CD are respectively the smallest and longest sides of a quadrilateral ABCD. Show that angle A is greater than angle C and angle B is greater than angle D.

A) ac = rp

B) cr = cb

In triangle ABC points D and E are on bc such that BD=EC and AD=AE prove that AB=AC

Prove that the perimeter of a triangle is greater than the sum of its altitudes

17. In given figure, show that XY||EF.

PQRS is a square and SRT is an equilateral triangle. Prove that PT=QT and angle TQR=15 degrees

^{2}=SB$\times $ SC.Prove that the perimeter of a triangle is greater than sum of its three altitudes.

(a) angle RPO = angle OQR

(b) angle POQ = 2 angle PRO

S is a point on side QR of a triangle PQR. Show that: PQ + QR + RP 2PS

in triangle abc , angle b = 45 degree angle c = 55 degree and bisector af angle a meet bc at point d find the measure of angle adb and angle adc

plx help

can you give a brief proof for SSS congruence rule??

The sides of a triangle are 5 cm,12 cm and 13cm.find the length of perpendicular from the opposite vertex to the side whose length is 13cm

^{2}. What is the length of the hypotenuse?Prove that in a quadrilateral the

sum of all sidesis greater than the sum of it's.diagonals(

a) BX || DY (b) XY and BD bisect each otherIN A RIGHT ANGLED TRIANGLE , ONE ACUTE ANGLE IS DOUBLE THE OTHER.PROVE THAT THE HYPOTENUSE IS DOUBLE THE SMALLEST SIDE

what is heron??.what is full form of SSS,ASS,RHS,SAS?

what is AAS,ASA,SAS,SSS,RHS,AAA,SSA postulates

What is CPCT and can you explain the congruence rules ?

How do we prove the RHS congruence rule??

Which practise book is more suitable?R.D Sharma/Reliable Question Bank fot 9th grade Maths?

what is the full form of cpct

prove that each angle of a rectangle is a right angle ?

CH=CB

HK||BC

IF ANGLE CAX=137 THEN FIND ANGLE CHK

In Figure given below, ∠Q > ∠R, PA is the bisector of ∠QPR and PM

^{o}, find the angle between the bisectors of the other two angles.where can i get rs aggarwal maths solutions?

abcd is a parallelogram.if the two diagonals are equal.find the measure of angle abc

P is a point on the bisector of ∠ABC. If the line through P, parallel to BA meet BC at Q, prove that BPQ is an isosceles triangle.

in triangle ABC,angle ACB is equals to 120 and CAB is equals to 40 .AC is extented to P such that AP=AC+2CB,then angle ABP= ?

PROVE that medians of an equilateral triangle are equal

In any triangle XYZ, the bisectors of the angles y and z meet at '0'. From a point 'O', OP perpendicular to YZ, OQ perpendicular to ZX AND OR perpendicular to XY respectively.Prove that OP=OQ=OR