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An isosceles triangle includes two angles that measure 60' which equation can be used to find the measure of the third angle A. X=180-60 B. X=180x60 C. X=180-2(60) D. X=180…

An isosceles triangle includes two angles that measure 60' which equation can be used to find the measure of the third angle A. X=180-60 B. X=180x60 C. X=180-2(60) D. X=180…
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An isosceles triangle includes two angles that measure 60' which equation can be used to find the measure of the third angle

A. X=180-60

B. X=180x60

C. X=180-2(60)

D. X=180+2(60)

User Terhechte
by
8.7k points

1 Answer

3 votes
The answer is C. since a triangle has to have a total of 180 degrees, you have to add both of the degrees of both the angles. 60 + 60= 120.
180-120=60
Your last angle is 60 degrees.
User Arik Kfir
by
8.6k points
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