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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.

PROVE THAT ANY POINT ON THE ANGLE BISECTOR OF AN ANGLE IS EQUIDISTANT FROM ITS ARMS.

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

(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

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 ?

prove that sum of the angles of a triangle is 180 degrees .If in the triangle ABC angle A +angle B=120 degrees and angles B+angle C=100 degrees. find angle B

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

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

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

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

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.

if x

^{3}+ 1/x^{3}= 110 then find the value of x+1/xIn triangle ABC , AB = BC; angle B is half of angle A. Is AB AC? then give reason for your answer.

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

in a triangle ABC angle A-angle B =42, angle B -angle C=21,find angle A,B,C

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 ACprove 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.

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

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!!!!!

Q. In the given figure, $\angle $1 = 55$\xb0$, $\angle $2 = 20$\xb0$, $\angle $3 = 35$\xb0$ and $\angle $4 =145$\xb0$. Prove that AB$\parallel $CD.

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

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.

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??

(a) ΔPTR ≌ ΔRMP (b) RT || PM and RT = RM

maths crossword puzzle for class 9

area is 216 cm2. Find the sum of the lengths of its

perpendicular sides. (in cm)

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

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.

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

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

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

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

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

Prove that in a quadrilateral the

sum of all sidesis greater than the sum of it's.diagonalsIN A RIGHT ANGLED TRIANGLE , ONE ACUTE ANGLE IS DOUBLE THE OTHER.PROVE THAT THE HYPOTENUSE IS DOUBLE THE SMALLEST SIDE

a triangular park has (5,4)(0,0) and (5,0) vertices ,

find the area of this park by plotting them on the graph.

if 10 plants can b plnted in 1 sqr unit area. then how many plnts cn b plnted n da park.hw is this beneficil to da society?

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

What is CPCT and can you explain the congruence rules ?

How do we prove the RHS congruence rule??

1) In triangle ABC, AD is the median to side BC. Prove that AB+AC is greater than 2AD.

2)Prove that a line bisecting the vertical angle of a triangle is perpendicular to the base the triangle is isosceles.

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

Q.1. State giving reasons, which of the following pairs of triangles represent congruent triangles.

(i)

(ii)

(iii)

(iv)

what is the full form of cpct

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

In triangle XYZ, angle X = 72

^{ }, angle XZY= 46^{o}. If YO and ZO are bisectors of angle XYZ and angle XZY respectively of triangle XYZ, find angle OYZ and angle YOZ ?In Figure given below, ∠Q > ∠R, PA is the bisector of ∠QPR and PM

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

prove that if one angle of a triangle is equal to the sum of the other two angles then the triangle right angled

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.

PROVE that medians of an equilateral triangle are equal