The base of a parallelogram is twice its height. If the area of the parallelogram is 72 sq.cm. Find its height?
Choose the correct choice from the following choices:
A) 3 cm
B) 6 cm
C) 7 cm
D) 9 cm
E) 10 cm
Solution   Let the height of the parallelogram be x cm.Then base   = (2x) cm   =2x² = 72   x²=36   x = 6.   Answer 6 cm
<result>B</result>
The base of a parallelogram is twice its height. If the area of the parallelogram is 72 sq.cm. Find its height?