Area of polygons worksheet

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

1 a.

parallelogram with vertices (-6, 1), (27, 1), (14, -44), and (-19, -44).
 
 
1 b.

triangle with vertices (-10, 7), (-10, -28), and (-35, 7).
 
 
2 a.

triangle with vertices (-12, 21), (-12, -15), and (4, 21).
 
 
2 b.

triangle with vertices (24, 3), (24, -9), and (-30, 3).
 
 
Page 2

Answer Key

1 a. 

The area is 1485 square units.

 
1 b. 

The area is 437.5 square units.

 
2 a. 

The area is 288 square units.

 
2 b. 

The area is 324 square units.

 


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