3. The cross-section of a tunnel, 50 meters in length is in the form of a rectangle 8 m wide and 4 m high, surmounted by a semicircle whose diameter is equal to the width of the

Algebra and Trigonometry (MindTap Course List)
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Author:James Stewart, Lothar Redlin, Saleem Watson
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Chapter1: Equations And Graphs
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3. The cross-section of a tunnel, 50 meters in length is in the
form of a rectangle 8 m wide and 4 m high, surmounted by a
semicircle whose diameter is equal to the width of the
Transcribed Image Text:3. The cross-section of a tunnel, 50 meters in length is in the form of a rectangle 8 m wide and 4 m high, surmounted by a semicircle whose diameter is equal to the width of the
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