Question

Can someone help me on this one, ​please? Denis and Dasha solve this problem in two different ways.

The perimeter of a rectangle is 54 centimeters.
Its length is 6 centimeters.
What is its width?

Use the drop-down menus to complete the sentences below.

Answer 1

21

Explanation:

since its a rectangle there are two lengths of six. If you add them together you get 12. subtract the total perimeter of 54 by the 12 and get 42. Since there is 2 sides left divide by 2. You should get 21 for the width of the rectangle

Answer 2

thats wrong

Explanation: