Page 21 - NUMINO_WB_3B
P. 21
3 yd 1 ft 161-P1-1
3 yd 1 ft
The Perimeter of a Figure
Find the perimeter of an equilateral triangle that has the side length of
2 yd 2 ft.
2 yd 2 ft
Step 1. What characteristic do the three sides have?
Step 2. What is the sum of the side lengths of the equilateral triangle?
Step 3. What is the perimeter of the equilateral triangle?
3 yd 1 ft
The Perimeter of a Figure
Find the perimeter of an equilateral triangle that has the side length of
2 yd 2 ft.
2 yd 2 ft
Step 1. What characteristic do the three sides have?
Step 2. What is the sum of the side lengths of the equilateral triangle?
Step 3. What is the perimeter of the equilateral triangle?
