One of the angles of an isosceles triangle is 120degrees. Find the size of a base angle of this isosceles triangle.
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Answered by
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did not understand the question,but if we have to find the measure of each base angle then the answer is 40°
Answered by
1
Answer:
the answer is 30degree
Step-by-step explanation:
according to question
120+X+X=180
2x=60
X=30
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