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# C2- Calculus Differentiation Qu Help please ASAP

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1. An equilateral triangle of side length 4cm has a rectangle inscribed in it. a) show that the area of this rectangle is 2√3(2x-x^2). b) hence find the max possible area of this rectangle. c) what proportion of the traingle is the rectangle in this case?
2. (Original post by ndk123)
An equilateral triangle of side length 4cm has a rectangle inscribed in it. a) show that the area of this rectangle is 2√3(2x-x^2). b) hence find the max possible area of this rectangle. c) what proportion of the traingle is the rectangle in this case?

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