(a+30°) and (2a°) are the measures of two
suplementary angles. What is the measure of each angle
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Step-by-step explanation:
the sum of the measures of supplementary angle is 180 degree
a+30+2a=180
3a+30=180.....(add the variable)
3a=180-30.....(move 30 on right side )
3a=150
a=150÷3
a=50 degree
now put the value of a in both the terms
a+30=50+30=80
2a=2×50=100
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