Question

The measure of two adjacent angles of a parallelogram are in the ratio 4:5. Find the measure
of each angle of the parallelogram.​

Answer 1

Answer:

the sum of the adjacent angles is 180 so

4x + 5x =180

9x = 180

x =180/9 = 20

4x=20*4 = 80

5x=20*5 = 100

so the measure of each its angles is 80 100 80 100

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Answer 2

4x + 5x = 180 ( Adjacent angles of a llgm are 180)

9x=180
x=20

Therefore, the angles are 4 x 20= 80 and 5 x 20= 100