Question

What is the length of arc S shown below?

Answer 1

length of arc = angle(in radian)×radius

=2×π/4

=π/2

=1.57 units ✌️:)

Answer 2

S=pi/2

Explanation:

pi/4=180/4=45º

2*2=4

45/360=1/8

1/8*4=1/2 pi