A parallelogram with a base four times the height and an area less than 200 square feet

The area of a parallelogram is base multiplied by the height.

A parallelogram with a base four times the height and an area less than 200 square feet

B = 4H

Area < 200 square feet.

200 > B*H

200 > 4H * H

200 > 4H^2

50 > H^2

H ~ 5 square root of 2