Area of polygons worksheet

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

1 a.

triangle with vertices (6, -5), (6, -8), and (-10, -5).
 
 
1 b.

parallelogram with vertices (-4, 4), (0, 4), (-3, -4), and (-7, -4).
 
 
2 a.

triangle with vertices (-8, 8), (-8, -1), and (-3, 8).
 
 
2 b.

trapezoid with vertices (-3, 3), (3, 3), (6, -8), and (-2, -8).
 
 
Page 2

Answer Key

1 a. 

The area is 24 square units.

 
1 b. 

The area is 32 square units.

 
2 a. 

The area is 22.5 square units.

 
2 b. 

The area is 77 square units.

 


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