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In triangle ABC, the measure of angle A is x degrees, the measure of angle B is 2x degrees and the measure of angle C is 8x degrees. What is the value of x? Express your answer as a decimal to the nearest tenth.

 Oct 25, 2020
 #1
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In any triangle, all of the angles sum to 180o

soooo....

A + B + C = 180

x + 2x +8x = 180

11x = 180

x = 180/11 =..........

 Oct 25, 2020

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