Area / Perimeter Worksheet
1 a. Find the missing side length,
when the area is 40 square units.

?
A = 40 square units
1 b. Find the missing side length,
when the perimeter is 16.

4
 
2 a. Find the area of the rectangle.

2
 
2 b. Find the area of the square.

11
11   
3 a. Find the area of the square.

8
 
3 b. Find the perimeter of the rectangle.

4
 
4 a. Find the perimeter of the rectangle.

10
 
4 b. Find the missing side length,
when the area is 110 square units.

10
A = 110 square units
Page 2

Answer Key

1 a.  5

 
1 b.  4

 
2 a.  10 square units

 
2 b.  121 square units

 
3 a.  64 square units

 
3 b.  14

 
4 a.  34

 
4 b.  11

 


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