Question

1. AABC is an isosceles triangle with AB = AC . An altitude AD is drawn on B
#
A
B.​

Answer 1

Answer:

In tringle ABD & ACD

AB=AC (GIVEN)

ANGLE ADB=ANGLE ADC(BOTH ARE RIGHT ANGLES)

AD=AD(COMMON)  

SO BOTH THE TRIANGLES ARE CONGRUENT  

THEREFORE BD=CD(CPCT)

ANGLE BAD=ANGLE CAD(CPCT)

HENCE AD BISECTS BOTH BC AND ANGLE A

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Answer 2

Answer:

7th

Maths

The Triangle and Its Properties

Isosceles and Equilateral Triangles

If ABC is an isosceles tria...

MATHS

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Asked on December 20, 2019 by

Saraswati Pooja

If ABC is an isosceles triangle with AB=AC and AD is an altitude, then

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ANSWER

In tringle ABD & ACD

AB=AC (GIVEN)

ANGLE ADB=ANGLE ADC(BOTH ARE RIGHT ANGLES)

AD=AD(COMMON)

SO BOTH THE TRIANGLES ARE CONGRUENT

THEREFORE BD=CD(CPCT)

ANGLE BAD=ANGLE CAD(CPCT)

HENCE AD BISECTS BOTH BC AND ANGLE A