Question

0.8. (a - 30) and (2a)º are the measures of two supplementary angles. Find the measure of each
angle.
angle,
a-30)+(29)--180​

Answer 1

Answer:

Step-by-step explanation:

Supplementary angles = 180

a - 30 +2a = 180

3a - 30 = 180

3a = 180 + 30

3a = 210

a = 210/3

a = 70

a -30 = 70 - 30 = 40

2a = 2 × 70 = 140

Answer 2

Answer:

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