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Byju's Answer
Standard IX
Mathematics
Relationship between Unequal Sides of Triangle and the Angles Opposite to It.
In ABC, ∠...
Question
In
△
ABC,
∠
A=100
o
and AB = AC. Find
∠
B and
∠
C.
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Solution
A
B
=
A
C
∠
B
=
∠
C
[Angles opposite to equal sides are equal]
In
△
A
B
C
,
∠
A
+
∠
B
+
∠
C
=
180
o
100
o
+
2
∠
B
=
180
o
∠
B
=
40
o
Therefore,
∠
B
=
∠
C
=
40
o
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Relationship between Unequal Sides of Triangle and the Angles Opposite to It.
Standard IX Mathematics
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