1. An angle is smaller than its supplementary angle by 70°. What is the measure of the angle?
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By: anil on 05 May 2019 02.11 am
Let the angle = $$ heta$$ Its supplementary angle = $$( heta + 70$$°$$)$$ Sum of an angle and its supplementary angle = 180° => $$ heta + ( heta + 70$$°$$) = 180$$° => $$2 heta = 180$$°$$ - 70$$°$$ = 110$$° => $$ heta = frac{110}{2} = 55$$°
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