Question

1?

Find the arc length of the partial circle.
Either enter an exact answer in terms of ar or use 3.14 fo 7 and enter your answer as a decimal.

Answer 1

1.57 cm

Explanation:

pi = 3.14

circumference of circle = pi x diameter

3.14 x 2 = 6.28

90/360 x 6.28 = 1.57

the arc length = 1.57 provided that 3.14 is used as pi.