I can't find anything online to help me with this one, hopefully someone can help.

The base of a triangle is 5m less than twice the height. If the area is 90m(squared) how long is the base and height?

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- Jul 15th 2012, 05:52 PMFishclawmaximum and minimum word problem
I can't find anything online to help me with this one, hopefully someone can help.

The base of a triangle is 5m less than twice the height. If the area is 90m(squared) how long is the base and height? - Jul 15th 2012, 08:06 PMrichard1234Re: maximum and minimum word problem
Let h be the height. Then the base is 2h-5. Area = (1/2)base*height, so

$\displaystyle \frac{1}{2}h(2h-5) = 90$

Solve for h.