Question

A circle has a radius of 4 in and a central angle with a measure of 45°.

What is the length of the arc associated with this angle?

Answer 1

is it pi

Answer 2

yes

Answer 3

A. 2 PI
B. 3 PI
C. 1/3 PI
D. pi

Answer 4

\(S= r \theta \)

Answer 5

so D PI?

Answer 6

\( \theta \) in radian

Answer 7

\( 45^\circ = \large\frac{\pi}{4}^{\; c} \)

Answer 8

You can do the rest.

Answer 9

whats C?

Answer 10

radian like degree is \(^\circ \)

Answer 11

oh okay so its B

Answer 12

?

Answer 13

Nopes it's not B

Answer 14

but, hm let me re check my work...

Answer 15

C

Answer 16

?

Answer 17

the angle is pi/4
multiply by the radius to get arc length

Answer 18

It is D