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suppose a chord of a circle is 18 inches long and is 40in from the center [MULTIPLE CHOICE]?

FIND THE LENGTH OF THE RADIUS

a. 40in
b. 41in
c. 44 in
d. 58in

2007-10-28 12:43:32 · 2 answers · asked by Yomi T 1 in Science & Mathematics ➔ Mathematics

2 answers

b.
9^2 + 40^2 = r^2
1681 = r^2
r = sqrt(1681) = 41

2007-10-28 12:52:16 · answer #1 · answered by ssssh 5 · 0⤊ 0⤋

r = sqt(9^2+40^2) = 41

2007-10-28 12:53:33 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋

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