In a triangle, one angle is 40 more than the smallest angle and th third angle is half the sum of the other two angles. Find the measure of each angle.

Question

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Answer 1

s represents measure of smallest angle

s + 40 represents the second angle

0.5(s + s + 40) represents the third angle

 

s + s + 40 + 0.5(s + s + 40) = 180   sum of angles = 180°

 

Can you solve for s?