3(5)+(-2+4(5))
15+(-2+20)
15+(18)
15+18
=33
To find arc length, start by dividing the arc's central angle in degrees by 360. Then, multiply that number by the radius of the circle. Finally, multiply that number by 2 × pi to find the arc length.
She can Hang up 4 posters. Because Taylor only has 16 tacks.
16/4=4
