Area of polygons worksheet

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

1 a.

trapezoid with vertices (5, 7), (10, 8), (10, 1), and (5, 1).
 
 
 
 
1 b.

trapezoid with vertices (2, 7), (10, 8), (10, 0), and (2, 1).
 
 
 
 
2 a.

triangle with vertices (9, 3), (9, 10), and (1, 3).
 
 
 
 
2 b.

trapezoid with vertices (1, 9), (6, 9), (5, 3), and (3, 3).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 32.5 square units.

 
1 b. 

The area is 56 square units.

 
2 a. 

The area is 28 square units.

 
2 b. 

The area is 21 square units.

 


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