Answer:
25
Step-by-step explanation:
Divide 500/20
Let angle = x
sinx = 43.2/72.5
=> x = 36.57 degrees
<span>The correct answer is option C. i.e. When a a parallelogram rotates about its center., then taking 180 degrees as the angle of rotation, the image of the parallelogram coincide with its preimage. Thus 180 degree rotation is the answer.</span>