Find the length of arc AC if the diameter, AB, of circle O is 36 cm. Write answer in terms of pi.?

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2007-10-07 17:42:55 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

AC = r*AOC = d*AOC/2
AC = (36*135°/2)(π rad/180°)
AC = 13.5π cm

2007-10-07 18:45:17 · answer #1 · answered by Helmut 7 · 0⤊ 0⤋

Find the circumference of the whole circle. The arc will be 135/360 of that length.

2007-10-08 00:53:36 · answer #2 · answered by Paladin 7 · 0⤊ 0⤋