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The vertex angle of an isosceles triangle measures 20 degrees more than twice the measure of one of its base angles. How many degrees are there in a base angle of this triangle? A.) 20 B.) 40 C.) 42 D.
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The vertex angle of an isosceles triangle measures 20 degrees more than twice the measure of one of its base angles. How many degrees are there in a base angle of this triangle?

A.) 20
B.) 40
C.) 42
D.) 100

User Scoochy
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1 Answer

7 votes

Answer:

40

If it is wrong please comment.

User Supr
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