Area of polygons worksheet

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

1 a.

triangle with vertices (4, -10), (4, -5), and (7, -10).
 
 
 
 
1 b.

parallelogram with vertices (-6, 8), (6, 5), (6, -9), and (-6, -6).
 
 
 
 
2 a.

trapezoid with vertices (-6, 9), (5, 10), (5, -6), and (-6, -3).
 
 
 
 
2 b.

triangle with vertices (-8, 5), (-8, 6), and (5, 5).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 7.5 square units.

 
1 b. 

The area is 168 square units.

 
2 a. 

The area is 154 square units.

 
2 b. 

The area is 6.5 square units.

 


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