Area of polygons worksheet

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

1 a.

quadrilateral with vertices (-8, 7), (8, 5), (6, -8), and (-2, -6).
 
 
1 b.

triangle with vertices (-8, 7), (-3, 5), and (-5, 1).
 
 
2 a.

quadrilateral with vertices (-3, 6), (4, 6), (9, -9), and (-4, -4).
 
 
2 b.

quadrilateral with vertices (-1, 0), (9, 10), (5, -8), and (-7, -10).
 
 
Page 2

Answer Key

1 a. 

The area is 152 square units.

 
1 b. 

The area is 12 square units.

 
2 a. 

The area is 120 square units.

 
2 b. 

The area is 124 square units.

 


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