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In triangle ABC, which is isosceles, angle A is equal 40 degrees.  What are the possible measure of angle B?

 Nov 30, 2019
 #1
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Angle B = Angle C = [180 - 40] / 2 =70 degrees.

 Nov 30, 2019
 #2
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That is only 1 possibility, another possiblity is angle A=angle C 

so angle B=100 

Depends on how you draw the triangle. 

other possibility as the Guest said B=70

Guest Nov 30, 2019

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