Area of polygons worksheet

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

1 a.

trapezoid with vertices (-10, 8), (47, 2), (47, -48), and (-10, -7).
 
 
1 b.

triangle with vertices (41, 19), (41, 37), and (-32, 19).
 
 
2 a.

trapezoid with vertices (-40, 35), (50, 22), (50, -16), and (-40, -44).
 
 
2 b.

trapezoid with vertices (-43, 20), (13, 20), (14, -6), and (-26, -6).
 
 
Page 2

Answer Key

1 a. 

The area is 1852.5 square units.

 
1 b. 

The area is 657 square units.

 
2 a. 

The area is 5265 square units.

 
2 b. 

The area is 1248 square units.

 


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