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In , and is the midpoint of so that . If , find…
MATHEMATICS · Subjective · CBSE · Mathematics · Triangles · Triangles
Problem
In
△
A
B
C
\triangle ABC
△
A
B
C
,
A
B
=
A
C
AB = AC
A
B
=
A
C
and
D
D
D
is the midpoint of
B
C
BC
B
C
so that
B
D
=
D
C
BD = DC
B
D
=
D
C
. If
∠
B
=
40
∘
\angle B = 40^{\circ}
∠
B
=
4
0
∘
, find
∠
B
A
D
\angle BAD
∠
B
A
D
.
Related theory
Properties of Triangles
Triangle Properties
Triangle Congruence
Triangle Congruence Criteria
Triangles
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