5. A rectangle with a diagonal of length x is twice as long as it is wide. Find the area of the rectangle.
(a) 1/4x^2
(B)2/5x^2
(c) 1/2x^2
(D) x^2
(e) 20

The awnser is C

Step-by-step explanation:

common sense cause 1/2 +1/2 = 2

c

step-by-step explanation:

the dimensions are:

step-by-step explanation:

we want to find the dimensions of a rectangular box with volume of

we factor to obtain;

we rewrite the rightmost factor to obtain;

recall that:

we apply difference of two squares formula to obtain;

hence the dimensions are