Area of polygons worksheet

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

1 a.

trapezoid with vertices (-73, 34), (8, 34), (68, -83), and (-36, -83).
 
 
 
 
1 b.

parallelogram with vertices (-53, 99), (51, 32), (51, -73), and (-53, -6).
 
 
 
 
2 a.

parallelogram with vertices (-36, 67), (26, 76), (26, -91), and (-36, -100).
 
 
 
 
2 b.

triangle with vertices (54, 14), (54, -44), and (-97, 14).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 10822.5 square units.

 
1 b. 

The area is 10920 square units.

 
2 a. 

The area is 10354 square units.

 
2 b. 

The area is 4379 square units.

 


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