Question

the expression 2l + 2w is used to find the perimeter of a rectangle with length l and width w. what is the perimeter of a rectangle with length 14 cm and width 4 cm? 9 cm 18 cm 28 cm 36 cm

Explanation:

Step1: Substitute values into formula

Given \( l = 14\) cm and \( w = 4\) cm, substitute into \( 2l+2w\).
\(2\times14 + 2\times4\)

Step2: Calculate each term

Calculate \(2\times14=28\) and \(2\times4 = 8\).
\(28+8\)

Step3: Sum the terms

\(28 + 8=36\)

Answer:

36 cm