Question

Joan drew a rectangle that is 4 centimeters by 10 centimeters. It has an area of 40 square centimeters and a perimeter of 28 centimeters.
Which rectangle has dimensions that give the same perimeter as Joan's rectangle but has a different area?


A.
9 centimeters by 6 centimeters

B.
5 centimeters by 8 centimeters

C.
7 centimeters by 4 centimeters

D.
6 centimeters by 8 centimeters

Answer 1

Hello!

First you find what numbers give you the same perimeter

9 + 9 + 6 + 6 = 30

5 + 5 + 8 + 8 = 26

7 + 7 + 4 + 4 = 22

6 + 6 + 8 + 8 = 28

The choice that has the same perimeter is D

The answer is D) 6 centimeters by 8 centimeters

Hope this helps!