SOLUTION: if there is an isosceles triangle and the base is 7ft and the sides are 6ft how could you find the height using pythagorean theorem

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Question 850555: if there is an isosceles triangle and the base is 7ft and the sides are 6ft how could you find the height using pythagorean theorem
Found 2 solutions by richwmiller, FrankM:
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
7/2^2+x^2=6^2
the altitude and half the base form a right triangle.
x = 4.8734

Answer by FrankM(1040) About Me  (Show Source):
You can put this solution on YOUR website!
In an isosceles triangle, the height is a perpendicular bisector of base.
So see a right triangle with base = 3.5, and hypotenuse = 6
x%5E2%2B3.5%5E2=6%5E2
x%5E2=36-12.25
x%5E2=23.75
x=4.8734 ft (not a pretty number)