Area of polygons worksheet

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

1 a.

triangle with vertices (54, 25), (54, -63), and (58, 25).
 
 
 
 
1 b.

triangle with vertices (61, -7), (61, 95), and (91, -7).
 
 
 
 
2 a.

trapezoid with vertices (-55, 57), (55, 3), (55, -56), and (-55, -2).
 
 
 
 
2 b.

parallelogram with vertices (-94, 89), (88, 95), (88, -48), and (-94, -54).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 176 square units.

 
1 b. 

The area is 1530 square units.

 
2 a. 

The area is 6490 square units.

 
2 b. 

The area is 26026 square units.

 


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