Area of polygons worksheet

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

1 a.

trapezoid with vertices (-10, 29), (43, 29), (27, -36), and (-9, -36).
 
 
 
 
1 b.

parallelogram with vertices (-6, 17), (41, 47), (41, -19), and (-6, -49).
 
 
 
 
2 a.

parallelogram with vertices (-25, 1), (50, 11), (50, 4), and (-25, -6).
 
 
 
 
2 b.

triangle with vertices (-45, 21), (-45, 42), and (7, 21).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 2892.5 square units.

 
1 b. 

The area is 3102 square units.

 
2 a. 

The area is 525 square units.

 
2 b. 

The area is 546 square units.

 


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