Question

find the perimeter of the figure below, in centimeters. (note: diagram is not to scale)

Explanation:

Step1: Identify perimeter concept

Perimeter is sum of all side - lengths.

Step2: Add all side - lengths

$P=10 + 12.9+12.9+22.9+20.8+12.9+35.8+7.9+12.9+10$
$P=(10 + 10)+(12.9\times4)+22.9+20.8+35.8+7.9$
$P = 20+51.6+22.9+20.8+35.8+7.9$
$P=71.6+22.9+20.8+35.8+7.9$
$P=94.5+20.8+35.8+7.9$
$P=115.3+35.8+7.9$
$P=151.1+7.9$
$P = 159$

Answer:

$159$