Question

A rectangle has a width of 5 inches and a length of 9 inches. What will be the new dimensions of the rectangle after it is dilated by a scale factor of 3?

8 inches by 12 inches
15 inches by 9 inches
15 inches by 27 inches
45 inches by 81 inches

Answer 1

the 3rd option, 15 by 27

Answer 2

Explanation:

Alright, lets get started.

The given rectangle dimension is : 5 inches and 9 inches

Please refer the given diagram.

If the given rectangle is dilated with scale factor of 3, it means the sides of given rectangle if multiplied with given scale factor 3.

So, the width of rectangle is :
`5*3=15` inches

So, the length of rectangle is :
`9*3=27` inches

So the dimensions of new rectangle is : 15 inches by 27 inches : Answer

Hope it will help :)