Area of polygons worksheet

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

1 a.

trapezoid with vertices (0, 2), (5, 2), (6, -7), and (-1, -7).
 
 
 
 
1 b.

parallelogram with vertices (-2, 6), (4, 6), (4, -3), and (-2, -3).
 
 
 
 
2 a.

triangle with vertices (-1, -7), (-1, -10), and (-8, -7).
 
 
 
 
2 b.

trapezoid with vertices (-8, 7), (9, 6), (9, 0), and (-8, -8).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 54 square units.

 
1 b. 

The area is 54 square units.

 
2 a. 

The area is 10.5 square units.

 
2 b. 

The area is 178.5 square units.

 


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