Question

Angle a is an obtuse angle.The measure of angle a and twice its supplementary differ by 30'.Then, angle a can be

Answer 1

angles 30 and 60
2 × 30 = 60
twice of 30

Answer 2

Answer:

Step-by-step explanation:

30+2a=180

2a=180-30

2a=150

a=150/2

a=75