Question

In
bFig.

AB
=
AC
and
AD
is
the bisector
of

∠BAC.

(i) State
three
pairs
of
equal
parts

in
triangles
ADB
and
ADC.


(ii)
Is
ΔADB
≅ ΔADC?
Give


reasons.


(iii) Is
∠B
=
∠C?
Give
reasons.​

Answer 1

Answer:

i)

ans-AD=AD

(common side)

angle ADB=angle ADC=90°

(since AD is perpendicular to BC)

AB=BC

(given)

ii)

ans-Yes

(by right angle Hypotenuse side or RHS)

iii)

ans-yes

(angles opposite to equal sides of a triangle are equal)

hope it will help