What is the arc length with a central angle of 36 degrees and a radius of 15 cm?

Answer 1

36 = 1/10 of 360

360= 2pi

36 = 2pi/10 = pi/5

arc length = 15 x pi/5 = 3pi cm = about 9.4 cm

arc length = radius times radians

arc length = radius times the angle when the angle is measured in radians