An Arch Has the Shape of the Parabola a Rectangle

question 81

Multiple Choice

An arch has the shape of the parabola A rectangle is fit under the arch by selecting a point on the parabola (see the figure) . If the rectangle has base and height . Find the base of a second rectangle that has the same area.

• A)2.61
• B)3.61
• C)4.61
• D)4.46

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