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Syllabus

prove that the angles opposite to equal sides of an isosceles triangle are equal. Using the above, find <b in with AB=BC in which <c=50.

An angle is 200 more than 3 times the given angle. If the two angles are supplementary, the angles are?

Prove that the bisectors of pair of Vertically opposite angles are on the same straight line..

(please i want the answer by the expert..)

D is the mid point of sides BC of triangle ABC and angle ABD =50.if AD =BD=DC , then find the measure of angle ACD.

if two parallel lines are intersected by a transversal,then prove that bisectors of the interior angles form a rectangle.

Prove that if the two arms of an angle are perpendicular to the two arms of another angle, then the angles are either equal or supplementary.

if two parallel lines are intersected by a transversal prove tha bisectors of the two pair of interior angles enclose an rectangle

plz answer it immediately its most urgent

in the figure, the side BC of triangle ABC is produced to D. the bisector of angle A meets BC at L. prove that angle ABC+ angleACD= 2 angle ALC

A transversal intersects two parallel lines. Prove that the bisectors of any pair of corresponding angles so formed are parallel.

Please send the answer as soon as possible

Triangle ABC is an isosceles triangle with AB=AC, side BA is produced to D such that AB=AD. Prove that angle BCD is a right angle.

bisector of angle b and angle d of a quadrilateral abcd meet cd and ab produced at point p and q respectively prove( angle p +angle q=1/2 angle abc +angle adc)

(a) 30 degree

(b) 36 degree

(c) 27 degree

(d) 63 degree .

1)AD,BE and CF, the altitudes of triangle ABC are equal. prove that triangle ABC is an equilateral triangle.

2) Prove that the sum of all sides of a quadrilateral is greater than the sum of its diagnols.

An angle is 20degrees more than three times the given angle . If the two angles are supplementary , the angles are :

a. 20 degrees , 160 degrees

b. 40 degrees , 140 degrees

c. 60 degrees , 120 degrees

d. 70 degrees , 110 degrees

Prove that the bisectors of two adjacent supplementary angels include a right angle.

1. Locate the co-ordinates of labelled points A,B,C,D,E,F,G and H in the following diagram:

In figure if AB parallel CD then find the value of X

??????a. 15?

??????b. 10?

??????c. 25?

??????d. 5?

answers for test your knowledge in golden maths guide .please tell please

if o is any point in the interior od triangleABC.PROVE OA +OB+OC>1/2(AB+BC+CA)

prove that the bisectors of the angles of a linear pair are at right angles.

Bisectors of angle B and angle C of a triangle ABC intersect each other at point O.Prove that angle BOC=90degree+half of angle A.

m and n are plane mirrors perpendicular to each other. Prove that incident ray CA (to mirror n ) is parallel to reflected ray (to mirror m ) BD.

Respected Sirs,

Please answer my this question as soon as possible. I tried to insert the figure from ms-paint file but was unable to do so. But I believe that the question is self descriptive.

"Angle Q is greater than angle R and M is a point on QR such that PM is the bisector of angle QPR If the perpendicular from P on QR meets at N, prove that angle MPN =1/2(angle Q-angle R)

Can you explain me the angle sum property of a triangle ?

if two straight lines intersect each other prove that the ray opposite to the bisector of one of the angles thus formed bisects the vertically opposite angles

plz answer this immediately , its most urgent

In the figure,AB $\parallel $CD and DE$\parallel $ PF . If $\text{\u2220}$APF = 50$\xb0$ and $\text{\u2220}$CDG = 40$\xb0$, find

(i) $\text{\u2220}$AQD

(ii)$\text{\u2220}$EDG

(iii)$\text{\u2220}$DPF

in a right angeled triangle , one acute angle is double the other. proove that the hypotenuse is double the smallest side?

If the arms of one angle are respectively parallel to the arms of another angle, show that the two angles are either equal or supplementary.

if the measure of an angle is two sixth of the measure of its supplement, then what is the measure of the angle?

Find the measure of an angle, if seven times its complement is 10 less

what are concurrent and non concurrent lines ?

that BAL = ACB.

Two lines are respectively perpendicular to two parallel lines. Show that they areparallel to each other.

in a triangle ABC , if angle A +angle B = 108 degree ,angle B +angle C =130 degree find angle A , angle B , and angle C .

The sides BC, CA and AB of Triangle ABC, are produced in order, forming exterior angles /_ACD, /_BAE and /_CBF. Show that

angle ACD + angle BAE + angle CBF = 360 degree.

If two parallel lines are cut by a transversal ,prove that the bisectors of the interior angles on the same side of the tranversal intersect each other at right angles

A) 50?, 90?

B) 110?, 30?

C) 20?, 120?

D) 110?, 50?

send me cbse sample papers of 9th class fa2 on my idkharetajatin@gmail.com

The side BC of triangle ABC is produced on both sides. Prove that the sum of the two exterior angles so formed is greater than angle A by 180 degree.

Reason R- the sum of angles that are formed on a straight line in equal to 180 degree.

(i) <A : <B= 1:3

(ii) <AED=<BCE

In triangle ABC, D is the midpoint of BC and angle ABD=50 degree. If AD=CD, then find the measure of angle ACD.

prove that two distinct lines cannot have more than one point in common.

In the given figure,if AB parallelto CD, CD parallel to EF, find the value of (y-x):(y+x)A triangle has 3 sides 35cm.,54cm,and 61cm. long .Find it's area

. Also, find hesmallest of it's altitude.Q.5. In the figure, show that $\angle A+\angle B+\angle C+\angle D+\angle E+\angle F=360\xb0$

Prove that vertically oppossite angles are equal.

Q.1. A line segment is symmetrical about its ............ bisector.

a. perpendicular

b. parallel

c. line

Plz help,

In the figure, PQRS is a quadrilateral & T & U are respectively points on PS & RS such that PQ = RQ, /_PQT = /_RQU & /_TQS = /_UQS. Prove thart QT = QU

Two lines PQ and RS intersect at the point O such that Angle POS +Angle ROQ=280.. So find all the angles..What is an axiom ?

a. CP = CD

b. DPbisects <CDQ

A triangle consists of the points P(3,k), Q(6,8) and R(10,10). PQR is a right angle. Determine the equation of the line passing through P and R, leaving your answer in the form ax+by=c, where a, b and c are integers.

Thank you for your help!

i want all the solution of these theorems aas soon as possible

1.prove that sum of three angles of a triangle is 180 degree

2.Angle opposite to equal sides of a triangle are equal

3.Two triangles are congurent,if any two angles and included side of one triangle is equal to any two angles and the included side of the other triangle.

4.If two lines intersect at each other at point o.Prove that they are vertically opposite angles.

1.Prove that the bisectors of a pair of vertically opposite angles are in the same straight line.

2. If two straight lines intersect each other, provethat the ray opposite to the bisector of one of theangles thus formed bisects the vertically opposite angle.

3. Ifone four angles formed by two intersecting lines is a right angle, thenshow that each of the four angles is a right angle.

4.AB,CD and EF are three concurrentlines passing through thepointOsuch that OF bisects /_BOF = 35

^{o}, find /_BOC and/_AOD.Please send me as soon as itpossible I have my test.

Prove that two lines which are perpendicular to a same line are parallel to each other.the sides BA DC of quadrilateral ABCD are produced to P Qrespectively. angle DAP=b,angle BCQ=a,angle D=y, angle B=x. showt that angle x+angle y=angle a+angle b

Angle Q Angle R, PA is the Bisector of Angle QPR and PM Perpendicular to QR.Prove that Angle APM = 1/2 (Angle Q - Angle R)

if an angle is 30 degree more than one half of its complement find the measure of the angle

Justify your answer.

1. In a fig. , Angle AOC and angle BOC form a linear pair. If a - 2b = 30 degrees , find a and b.

in a quadrilateral ABCD, AO and DO are the bisec tors of angleA and D respectively which meet at a point O inside the quadrilateral. prove that angleAOD = 1/2 (angleB + C). please answer! very urgent

AB,CD and EF are three concurrent lines passung through the oint O such that OF bisects angleBOD . IF angleBOF = 35 degree ,find angleBOC and angleAOD

Line AB and CD are parallel and P is any point between them. Show that angleABP + angleCDP = angleDPB

RS AGGARWAL CH 4 EXERCISE 4C QU9STON NO. 3,7,9

In triangle ABC, angle A= angle B/2= angle C/6, then the measure of angle A is ..................

In the given figure, AE bisects Angle DAC and Angle B= Angle C, prove that AE is parallel to BC