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684. (Continuation) What percentage of the circumference of the circle lies above the chord AB? First estimate the percentage, then find a way of calculating it precisely.

684. (Continuation) What percentage of the circumference of the circle lies above the chord AB? First estimate the percentage, then find a way of calculating it precisely.

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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684. (Continuation) What percentage of the circumference of the circle lies above the chord AB? First estimate the percentage, then find a way of calculating it precisely.
Transcribed Image Text:684. (Continuation) What percentage of the circumference of the circle lies above the chord AB? First estimate the percentage, then find a way of calculating it precisely.
683. Sketch the circle whose equation is x²+ y? = 100. Using the same system of coordinate axes, graph the line x + 3y and at another point B in the second quadrant. Estimate the coordinates of B. Now use algebra to find them exactly. Segment AB is called a chord of the circle. 10, which should intersect the circle twice at A = (10,0)
Transcribed Image Text:683. Sketch the circle whose equation is x²+ y? = 100. Using the same system of coordinate axes, graph the line x + 3y and at another point B in the second quadrant. Estimate the coordinates of B. Now use algebra to find them exactly. Segment AB is called a chord of the circle. 10, which should intersect the circle twice at A = (10,0)
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