Question

the following figure is made of 3 rectangles that are all the same size. what is the perimeter of the figure?

Explanation:

Step1: Identify length and width

The width of the combined - figure is 7 cm and the length is 12×3 = 36 cm.

Step2: Use perimeter formula

The perimeter formula for a rectangle is $P=2(l + w)$. Here, $l = 36$ cm and $w = 7$ cm. So $P=2(36 + 7)$.

Step3: Calculate the perimeter

First, add the values inside the parentheses: $36+7 = 43$ cm. Then multiply by 2: $2×43=86$ cm.

Answer:

86