Question

find the perimeter of the rectangle. include the unit. 18 cm 27 cm

Explanation:

Step1: Recall perimeter formula

The perimeter formula for a rectangle is $P = 2(l + w)$, where $l$ is the length and $w$ is the width.

Step2: Identify length and width

Here, $l = 27$ cm and $w = 18$ cm.

Step3: Substitute values

$P=2(27 + 18)$.

Step4: Calculate sum inside parentheses

$27+18 = 45$ cm.

Step5: Multiply by 2

$P = 2\times45=90$ cm.

Answer:

90 cm