Question

enter the correct answer.
7 cm
8 cm
find the
perimeter.
5 cm
12 cm
use a
13 cm
12 cm
19 cm

Explanation:

Step1: Recall the formula for perimeter

Perimeter is the sum of all side - lengths.

Step2: Sum up all the side - lengths

$$7 + 5+13 + 19+12 + 12+8$$
First, add \(7+5 = 12\), then \(12+13=25\), next \(25 + 19=44\), then \(44+12 = 56\), then \(56+12 = 68\), and finally \(68+8=76\)

Answer:

\(76\) cm