Answer: A pen in the shape of an isosceles right triangle
Chapter 1, Problem 1.1 71(choose chapter or problem)
A pen in the shape of an isosceles right triangle with legs of length x ft and hypotenuse of length h ft is to be built. If fencing costs $5/ft for the legs and $10/ft for the hypotenuse, write the total cost C of construction as a function of h.
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