Question

Use Polynomials to Find Perimeter & Area
Find the area of this rectangle.

Answer 1

Area of rectangle =

`l * b`

= 5x *( 5x -4)

=

`{25x}^(2) - 20x`

Perimeter of rectangle = 2(l + b)

=2(5x +5x -4)

= 2(10x - 4)

= 20x - 8