Area of polygons worksheet

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

1 a.

triangle with vertices (98, 1), (98, -74), and (91, 1).
 
 
 
 
1 b.

parallelogram with vertices (-8, 58), (45, 58), (74, -25), and (21, -25).
 
 
 
 
2 a.

parallelogram with vertices (-63, 69), (8, 69), (68, -95), and (-3, -95).
 
 
 
 
2 b.

parallelogram with vertices (-8, 71), (24, 71), (98, -60), and (66, -60).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 262.5 square units.

 
1 b. 

The area is 4399 square units.

 
2 a. 

The area is 11644 square units.

 
2 b. 

The area is 4192 square units.

 


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