Construction the arch of a fireplace is to be constructed, Ask an Expert

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Construction The arch of a fireplace is to be constructed in the shape of a semi-ellipse. The opening is to have a height of 3 feet at the center and a width of 8 feet along the base. To sketch the outline of the fireplace, the contractor uses an 8-foot string tied to two thumbtacks.

a. Where should the thumbtacks be placed?

b. Explain why this technique works.

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M92164387

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