a + a/2 + 2a - 30 = 180
7a/2 = 210
7a = 420
a = 60 degrees
Adi S.
asked • 08/19/18Find the measure of angle
In a triangle, angle b is half the measure of angle a, and angle c is 30 degrees less than twice the measure of angle a. Find the measure of angle a. Explain solution.
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