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In , and . It is known that . Find the value of . Also, write the pair of equal sides…
MATHEMATICS · Subjective · CBSE · Mathematics · Triangles · Triangles
Problem
In
△
A
B
C
\triangle ABC
△
A
B
C
,
∠
B
=
3
x
∘
\angle B = 3x^{\circ}
∠
B
=
3
x
∘
and
∠
C
=
(
x
+
20
)
∘
\angle C = (x + 20)^{\circ}
∠
C
=
(
x
+
20
)
∘
. It is known that
∠
B
=
∠
C
\angle B = \angle C
∠
B
=
∠
C
. Find the value of
x
x
x
. Also, write the pair of equal sides of the triangle.
Related theory
Linear Equations in One Variable
Properties of Triangles
Triangle Properties
Triangle inequalities
Triangles
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