A Bridge Support Arch Has the Equation$y=-\frac{1}{20}(x-30)^{2}+45$ Find the Length of the Arch If the Archis

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A Bridge Support Arch Has the Equation$y=-\frac{1}{20}(x-30)^{2}+45$  Find the Length of the Arch If the Archis

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The Answer of A Bridge Support Arch Has the Equation$y=-\frac{1}{20}(x-30)^{2}+45$  Find the Length of the Arch If the Archis

A Bridge Support Arch Has the Equation $y=-\frac{1}{20}(x-30)^{2}+45$ Find the Length of the Arch If the Archis