Question

B,D is altitude on side AC, find m angle ADB
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Answer 1

Answer:

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Answer 2

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