Calc

Oscar Corporation is planning to construct an elliptical gate at its headquarters. The width of the ellipse will be 5 feet across and its maximum height along the center will be 3 feet. The company wants to place two bright spots at the foci of the ellipse. How far from the center of the ellipse will the spots be located?

A.2 feet
B.4 feet
C.3 feet
D.2.5 feet
E.3.5 feet

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  1. The semi-axes are 2.5 and 3

    a^2 = b^2 + c^2
    9 = 6.25 + c^2
    c^2 = 2.75
    c = 1.658

    Either I have misinterpreted the details, or something's wrong here.

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  2. Oscar Corporation is planning to construct an elliptical gate at its headquarters. The width of the ellipse will be 5 feet across and its maximum height along the center will be 3 feet. The company wants to place two bright spots at the foci of the ellipse. How far from the center of the ellipse will the spots be located?

    A.2 feet
    B.4 feet
    C.3 feet
    D.2.5 feet
    E.3.5 feet

    1. 👍 0
    2. 👎 2

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