Area of polygons worksheet

Find the area of the shapes when their vertices are given.

1 a.

triangle with vertices (-6, 5), (2, 3), and (-5, -1).
 
 
1 b.

quadrilateral with vertices (0, 5), (4, 7), (4, -2), and (-8, -8).
 
 
2 a.

quadrilateral with vertices (-4, 8), (8, 3), (8, -5), and (-4, -6).
 
 
2 b.

quadrilateral with vertices (-1, 5), (5, 8), (5, -5), and (-10, -7).
 
 
Page 2

Answer Key

1 a. 

The area is 23 square units.

 
1 b. 

The area is 72 square units.

 
2 a. 

The area is 132 square units.

 
2 b. 

The area is 120 square units.

 


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