Area of polygons worksheet

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

1 a.

triangle with vertices (4, 93), (4, -54), and (93, 93).
 
 
 
 
1 b.

trapezoid with vertices (-31, 90), (73, 90), (55, -72), and (-91, -72).
 
 
 
 
2 a.

trapezoid with vertices (-46, 73), (88, 73), (70, -43), and (-68, -43).
 
 
 
 
2 b.

trapezoid with vertices (-32, 72), (21, 72), (59, -60), and (-9, -60).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 6541.5 square units.

 
1 b. 

The area is 20250 square units.

 
2 a. 

The area is 15776 square units.

 
2 b. 

The area is 7986 square units.

 


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