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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Find the part.81% of 491 meters
A. 3977.1 meters B. 39.77 meters C. 39,771 meters D. 397.71 meters
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Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 15 ft. Find the length of the ladder if the length is 5 ft more than its distance from the wall.
A. 20 ft B. 15 ft C. 30 ft D. 25 ft
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Which sort of manipulative is most useful for measuring the heights of tall objects (e.g., buildings and trees?)
a. Clinometer b. Wedge c. Geoboard d. Mira
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Factor.-36 + x2 + 5x
A. (x + 9)(x - 4) B. (x + 9)(x + 1) C. (x - 9)(x + 4) D. (x - 9)(x - 1)
Mathematics