Area of polygons worksheet

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

1 a.

trapezoid with vertices (-8, 10), (10, 16), (10, -6), and (-8, -16).
 
 
1 b.

trapezoid with vertices (-12, 43), (7, 43), (7, -11), and (-12, -21).
 
 
2 a.

trapezoid with vertices (-8, 25), (38, 8), (38, -35), and (-8, -10).
 
 
2 b.

triangle with vertices (-34, 7), (-34, -5), and (6, 7).
 
 
Page 2

Answer Key

1 a. 

The area is 432 square units.

 
1 b. 

The area is 1121 square units.

 
2 a. 

The area is 1794 square units.

 
2 b. 

The area is 240 square units.

 


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