The base angle of an isosceles triangle is 40 degrees .The measure of vertical angle is
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Answer:
Let the base angles be
′
x
′
Therefore,
x+x+40
∘
=180
∘
[Given]
2x=180
∘
−40
∘
2x=140
∘
x=70
∘
Hence,
The base angles of the triangle are 70
∘
,70
∘
.
Step-by-step explanation:
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