101k views
3 votes
Find the length of Ef. Leave your answers in terms of pie.

Find the length of Ef. Leave your answers in terms of pie.-example-1
User Emdad
by
5.2k points

1 Answer

7 votes
The answer is 60pi


The entire circle circumference covers 360 degrees.
The arc EF only takes 30 degrees.

The arc EF is 30/360 of the total circumference.

Arc EF is 5pi units.
The entire circumference is (5pi)/(30/360) = 60pi

User RBA
by
4.9k points