precalc

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The cost of manufacturing a semi-circular window is the cost of the glass pane together with the cost of the framing material. When ordering this window, a customer specifies the length of the base of the window, shown as l.



b. Write a function named k that relates the area of the glass pane to the length of the base of the window.

  • precalc -

    k = 1/2 π(l/2)^2 = π/8 l^2

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