Question

The arc length shown in blue is 15 feet.
diagram is in link, click on it or copy and paste it into browser:

Part I: State the equation that relates arc length to central angle.

Part II: Find the angle in radians.

Part III: Convert your answer to degrees and write it to the nearest hundredth of a degree.

Answer 1

what did you come up with?

Answer 2

I think the equation is arc lenght=r*theta @chosenmatt

Answer 3

good job!!

Answer 4

but I need help figuring out the values

Answer 5

@chosenmatt

Answer 6

need help?

Answer 7

@perl yes please

Answer 8

arclength = radius * theta, where theta is central angle in radians

Answer 9

can you help me to find the values?

Answer 10

I'll do the rest

Answer 11

ok

Answer 12

we are given that arclength of the unshaded arc is 15 feet

Answer 13

yeah

Answer 14

we know the radius is 6

Answer 15

yes

Answer 16

wait isn't 3?

Answer 17

@perl

Answer 18

the radius is 6

Answer 19

@perl how do you know?

Answer 20

I looked at the graph

Answer 21

Ok

Answer 22

do you see how the circle cuts x = 6

Answer 23

intersects (6,0) and (0,6)

Answer 24

@perl it's 3 actually cuz the diameter is 6 and the raidus is half the diameters so it is equal to 3

Answer 25

no the diameter is 12

Answer 26

how is 12 dude? it's 6

Answer 27

radius is half the diameter , radius is 6

Answer 28

my draw button has died, but

Answer 29

the diameter is 6

Answer 30

:)

Answer 31

i will show you, let me reboot this