SOLUTION: What integer is closest to the area of a triangle whose sides are 5, 6, and 7 units?

SOLUTION: What integer is closest to the area of a triangle whose sides are 5, 6, and 7 units?

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Question 427981: What integer is closest to the area of a triangle whose sides are 5, 6, and 7 units?
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Using Heron's formula, the semiperimeter is equal to 9, and the area is

. This is roughly 14.697, so the integer closest to the area is 15.
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