SOLUTION: Find the area of the polygon with the given vertices. J(-3,4), K(4,4), L (3,-3)

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Question 1090074: Find the area of the polygon with the given vertices. J(-3,4), K(4,4), L (3,-3)
Answer by ikleyn(52799) About Me  (Show Source):
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This triangle has horizontal side JK of the length 7.


It lies on the straight line y = 4.


The altitude drawn from the vertex L to the side JK has the length 4 - (-3) = 7.


Hence, the area of the triangle is %281%2F2%29%2A7%2A7 = 49%2F2 = 24.5 square units.

Solved.