# What is the arclength of #f(x)=sqrt(4-x^2) # in the interval #[-2,2]#?

##### 1 Answer

Jul 10, 2018

The arc length is

#### Explanation:

This is a semi circle of radius

#P = 2(2)pi = 4pi#

#P/2 = (4pi)/2 = 2pi#

Therefore the arc length is

Hopefully this helps!