Question

Q15. The adjacent interior 2 points
angles of a parallelogram
are (2x-15) and (7x-75).
Find the measures of all
angles of the
parallelogram
O 80, 100, 80, 100
O 50, 130, 50, 130
O 60, 120, 60, 120
O 45, 135, 45, 135​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

O 45, 135, 45, 135

Step-by-step explanation:

The adjacent interior angles of a parallelogram

are (2x-15) and (7x-75)

their sum = 180°

(2x-15)+ (7x-75)=180°

9x-90=180°

9x=180°+90°

9x= 270°

X= 270°/9

X = 30°

2x-15= 2 x 30° -15°

= 45°

the other angle is 180°-45°=135°

rquired angles are

O 45, 135, 45, 135