Area of polygons worksheet

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

1 a.

triangle with vertices (26, -45), (26, 20), and (42, -45).
 
 
 
 
1 b.

trapezoid with vertices (-29, 22), (4, 44), (4, -22), and (-29, -17).
 
 
 
 
2 a.

parallelogram with vertices (-26, 24), (13, 35), (13, -38), and (-26, -49).
 
 
 
 
2 b.

trapezoid with vertices (-16, 47), (42, 47), (7, -19), and (-25, -19).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 520 square units.

 
1 b. 

The area is 1732.5 square units.

 
2 a. 

The area is 2847 square units.

 
2 b. 

The area is 2970 square units.

 


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