Area of polygons worksheet
1 a.

triangle with vertices (9, -7), (-2, -1), and (-6, -2).
 
 
 
 
1 b.

hexagon with vertices (-7, 6), (3, 9), (6, 10), (8, -6), (0, -8), and (-8, -5).
 
 
 
 
2 a.

triangle with vertices (0, -1), (0, 9), and (10, -1).
 
 
 
 
2 b.

triangle with vertices (-5, 7), (-5, 0), and (6, 7).
 
 
 
 
3 a.

hexagon with vertices (-5, 10), (-1, 5), (5, 7), (3, -9), (1, -2), and (-10, -6).
 
 
 
 
3 b.

triangle with vertices (9, -9), (-10, 1), and (-2, 9).
 
 
 
 
4 a.

parallelogram with vertices (-6, 8), (3, 7), (3, -9), and (-6, -8).
 
 
 
 
4 b.

hexagon with vertices (-9, 8), (-1, 5), (5, 8), (3, -8), (0, -7), and (-8, -2).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 17.5 square units.

 
1 b. 

The area is 216 square units.

 
2 a. 

The area is 50 square units.

 
2 b. 

The area is 38.5 square units.

 
3 a. 

The area is 133 square units.

 
3 b. 

The area is 116 square units.

 
4 a. 

The area is 144 square units.

 
4 b. 

The area is 146.5 square units.

 


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