Question
solve arithmetically and algebraically.
The perimeter of a rectangle is 54 cm. Its length is 6 cm. What is its width?
The perimeter of a rectangle is 54 cm. Its length is 6 cm. What is its width?
Answers
Sally
In mathematics, we commonly use the following formula for perimeter of a rectangle: P = 2L + 2W so 54=2(6)+2(x)
54=12+2(21)
W=21cm
Usually the length is longer than the width. Double check your answer and problem
54=12+2(21)
W=21cm
Usually the length is longer than the width. Double check your answer and problem