Solve the problem.An arch in the form of a semiellipse is 52 ft wide at the base and has a height of 20 ft. How wide is the arch at a height of 12 ft above the base?

A. 41.6 ft
B. 20.8 ft
C. 17.7 ft
D. 35.5 ft


Answer: A

Mathematics

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Which sort of manipulative is most useful for measuring the heights of tall objects (e.g., buildings and trees?)

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Factor.-36 + x2 + 5x 

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