SOLUTION: find the area of a given isosceles trangle with the following vertices: A(2,2), B(10,2), C(6,9)

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Question 863980: find the area of a given isosceles trangle with the following vertices: A(2,2), B(10,2), C(6,9)
Answer by josgarithmetic(39617) About Me  (Show Source):
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Points A and B form a convenient base. Point C is above segment AB and the distance from C to segment AB is easily found as 9-2=7. The length of segment AB is easily found, 10-2=8.

Area formula, %281%2F2%29b%2Ah, becomes highlight%28%281%2F2%298%2A7=28%29 square units.