Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven

1 a.

trapezoid with vertices (-1, 3), (1, 3), (1, -8), and (-1, -7).
 
 
1 b.

triangle with vertices (8, -5), (8, -10), and (-5, -5).
 
 
2 a.

parallelogram with vertices (-2, 4), (7, 9), (7, 3), and (-2, -2).
 
 
2 b.

parallelogram with vertices (0, 2), (9, 2), (10, -5), and (1, -5).
 
 
Page 2

Answer Key

1 a. 

The area is 21 square units.

 
1 b. 

The area is 32.5 square units.

 
2 a. 

The area is 54 square units.

 
2 b. 

The area is 63 square units.

 


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