the Supplementary angle of (70 + a)degree is _________
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again you just take 90 degrees subtract your angle and you have the complement. the supplement of 70 degrees is the angle that. we can add to 70 in order to get a hundred and 80. so 110 right that's the angle we can add to 70 to get 180
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The answer is
70+a = 180
a = 180-70
a= 110
Because supplementy angle is of 180 °
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