Question

A rectangle has an area of 72 in². The length and the width of the rectangle are changed by a scale factor of 3.5. What is the area of the new rectangle?

Answer 1

`882 \: {in}^(2)`

Step-by-step explanation

The area of the original rectangle is 72 in².

If the length and the width of the rectangle are changed by a scale factor of 3.5.

Then the area will change by

`{3.5}^(2) = 12.25`

To get the area of the new rectangle is we multiply the area of the original rectangle by 12.25.

This implies that,the area of the new rectangle is

`3.5 * 72 = 882 \: {in}^(2)`

Therefore the area of the new rectangle is 882 square inches.