Area of polygons worksheet

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

1 a.

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

trapezoid with vertices (-8, 9), (8, 3), (8, -8), and (-8, -8).
 
 
 
 
2 a.

trapezoid with vertices (0, 4), (4, 4), (4, -8), and (-6, -8).
 
 
 
 
2 b.

triangle with vertices (-3, -10), (-3, 1), and (-7, -10).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 84 square units.

 
1 b. 

The area is 224 square units.

 
2 a. 

The area is 84 square units.

 
2 b. 

The area is 22 square units.

 


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