in a triangle, ABC,angleA measures 2/15 and angle B measures 2/20of the sum of its three angles. what is the measure of angle C
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Step-by-step explanation:
Sum of the 3 angles in a triangle is 180 degrees.
A = 2/15 of the sum = 2/15 * 180 = 24
B = 9/20 * 180 = 81
c = 180-(24+81) = 75
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