Area of polygons worksheet
 1 a. triangle with vertices (-10, -2), (-4, -6), and (-10, -5).
 1 b. triangle with vertices (-9, 2), (-5, -3), and (7, 7).
 2 a. triangle with vertices (0, -2), (-4, -9), and (-3, 9).
 2 b. triangle with vertices (1, -4), (3, -5), and (-6, 4).
 3 a. trapezoid with vertices (-6, 2), (6, 2), (4, -5), and (-4, -5).
 3 b. trapezoid with vertices (-8, 10), (6, 10), (3, -5), and (-3, -5).
 4 a. triangle with vertices (-9, 7), (-9, -7), and (5, 7).
 4 b. hexagon with vertices (-4, 9), (3, 4), (6, 7), (5, -3), (-1, -5), and (-10, -8).
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 1 a. The area is 9 square units.

 1 b. The area is 50 square units.

 2 a. The area is 32.5 square units.

 2 b. The area is 4.5 square units.

 3 a. The area is 70 square units.

 3 b. The area is 150 square units.

 4 a. The area is 98 square units.

 4 b. The area is 145.5 square units.

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