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What is the formula for finding the radius of a circle given the measure of the arc and the central angle?

The sampe problem I have uses 6.1 cm as the measure of the arc and 90 degrees as the central angle.

2007-04-09 16:13:54 · 1 answers · asked by Brenda B 1 in Science & Mathematics ➔ Mathematics

1 answers

πr/2 = 6.1 cm
r = 12.2/π cm

2007-04-09 16:22:39 · answer #1 · answered by Helmut 7 · 0⤊ 0⤋

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