Question

A parallelogram with a base of x units and a height of y units is changed

to have a new base of 4x units and a height of 7x units. If the area of the
original parallelogram is 31 square units, determine the area of the new
parallelogram.

Answer 1

868 (third option)

Explanation:

we know that the area of original is
`xy=31`.

the new parallelogram will has area
`4x* 7y = 28xy=28* 31=868`