Area / Perimeter Worksheet
1 a. Find the missing side length,
when the area is 4 square units.

?
A = 4 square units
1 b. Find the missing side length,
when the perimeter is 20.

5
 
2 a. Find the area of the rectangle.

4
 
2 b. Find the area of the rectangle.

11
10   
3 a. Find the perimeter of the square.

7
 
3 b. Find the missing side length,
when the area is 44 square units.

11
A = 44 square units
4 a. Find the missing side length,
when the area is 21 square units.

7
A = 21 square units
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.  2

 
1 b.  5

 
2 a.  24 square units

 
2 b.  110 square units

 
3 a.  28

 
3 b.  4

 
4 a.  3

 
4 b.  11

 


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