Area of polygons worksheet

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

1 a.

trapezoid with vertices (-33, 14), (49, 14), (45, -20), and (-50, -20).
 
 
 
 
1 b.

triangle with vertices (31, -48), (31, 45), and (-13, -48).
 
 
 
 
2 a.

trapezoid with vertices (-41, 14), (34, 14), (43, -26), and (-40, -26).
 
 
 
 
2 b.

parallelogram with vertices (-12, 26), (2, 44), (2, -8), and (-12, -26).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 3009 square units.

 
1 b. 

The area is 2046 square units.

 
2 a. 

The area is 3160 square units.

 
2 b. 

The area is 728 square units.

 


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