SOLUTION: How do you find the area of a triangle using the measurements 15.7 9.4 and 12.6? Thanks so much!

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Question 719271: How do you find the area of a triangle using the measurements 15.7 9.4 and 12.6?
Thanks so much!
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Use Herons's formula. The area of a triangle with sides , , and is given by:



Where is the semiperimeter, that is, the perimeter divided by 2. Calculate the semiperimeter and then just do the arithmetic. Since the least precise given measurement is to the nearest tenth, round your answer to the nearest tenth.

John

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