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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.

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

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

In the given figure,if OCD is an isosceles triangle in which OD and OC are equal,then what will be the value of angle OCD?The solution is attached in the image.

Please check the solution to this question as soon as possible.

No links please.

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

In the given figure,if AB parallelto CD, CD parallel to EF, find the value of (y-x):(y+x)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

three coplanar lines intersect in a common point , forming angles as shown.if a=45,e=50 then find the angles B,C,D and F??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.

In a triangle ABC, ANGLE B IS GREATER THAN ANGLE C. If AM is the bisector of angle BAC and AN is is perpendicular to BC. Prove that angle MAN = 1/2 ( angle B - angle C ).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)

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.

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

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

(i) PT = PS (ii) PSR = 15

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)

Two lines PQ and RS intersect at the point O such that Angle POS +Angle ROQ=280.. So find all the angles..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)

PROVE THAT the sum of the angles of a triangle is 180 degree

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

∠SPQ= 50° and ∠PQT = b, then find ∠a and ∠b.

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.

what are concurrent and non concurrent lines ?

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

that BAL = ACB.

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

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

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

in a star PQRST prove that angle P +angle Q+angle R +angle S+angle T=180

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

In the given figure, angle PQS=angle SQR, angle PRS=angle SRT and angle QSR=21 degree. Find angle QPR.(Two triangles in line QRT, triangle end points PQR and QRS)

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.

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

(ii) <AED=<BCE

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

_{1}//l_{2,}a_{1}//a_{2 }find the value of x.A triangle has 3 sides 35cm.,54cm,and 61cm. long .Find it's area

. Also, find hesmallest of it's altitude.Prove that vertically oppossite angles are equal.

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

What is an axiom ?

a. CP = CD

b. DPbisects <CDQ

Angle POQ=64. arm PO is produced upto point R and OS is the bisector of Angle QOR.Find the measure of Angle POS..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.

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

Q.1. ln the given figure ,if AOB is a line then find the measure of $\angle $BOC ,COD and $\angle $DOA .

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)

Show that 1/3-root8 - 1/root 8 - root 7 + 1/root 7 - root 6 - 1/root 6 - root 5 + 1/root 5 -2 = 5

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

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

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

Justify your answer.

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

The sides AB and AC of triangle ABC have been produced to D and E respectively. The bisectors of angle CBD and angle BCE meet at O. If angle A = 40

^{o}, find angle BOC.