Page 147 - NUMINO_WB_4B
P. 147
152-P4-1
1. Find the length of the unknown side of each figure.
a b. 8 cm
?
Area of a rectangle 5cm Area of a ?
= 60 cm2
rectangle
= 72 cm2
cm cm
2. Find the perimeter of the figure.
10 ft
12 ft
1. Find the length of the unknown side of each figure.
a b. 8 cm
?
Area of a rectangle 5cm Area of a ?
= 60 cm2
rectangle
= 72 cm2
cm cm
2. Find the perimeter of the figure.
10 ft
12 ft
