Question

What is the area of a circle with circumference of 9.42 inches?
(Use 3.14 for p.)

Answer 1

What is the area of a circle with circumference of 37.68? (Use 3.14 for p.)

Answer 2

A=pi radius squared
and circumferance is pi times diametre

so work backwards

Answer 3

37.88=(3.14)d

37.88/3.14=?

Answer 4

Given a circle with a radius of 6, what is the length of an arc measuring 60°?

Answer 5

did you understand your other question?

Answer 6

yes but not this one : Given a circle with a radius of 6, what is the length of an arc measuring 60°?

Answer 7

ok :) give me a second and i will try to figure it out :)

Answer 8

thank you!!

Answer 9

ok, do you know the length of an arc formula?

Answer 10

Select one of the options below as your answer

A. 1/2 pie
B 2 pie
c 3/2 pie
d 3pie

Answer 11

if n is the angle (you gave 60)
then the equation is (n/360)*2PIr

Answer 12

can you plug them in?

Answer 13

um maybe ill try

Answer 14

ok

Answer 15

what is plr?

Answer 16

pi times r

Answer 17

i got 3.14?

Answer 18

No...that isn't right. I'm sorry. Hre let me try showing you, ok?

Answer 19

\[30\div360\times3.14\times6\]

Answer 20

that gave me 3.14

Answer 21

no...

Answer 22

it is 60/360

Answer 23

and 3.14 multiplied by2

Answer 24

so your equasion should look like...

Answer 25

60/360*2(pi*6)

Answer 26

i got 6.28

Answer 27

ok, that doesnt look like any of your optinos right?

Answer 28

options*

Answer 29

yea im confused lol

Answer 30

A. 1/2 pie
B 2 pie
c 3/2 pie
d 3pie

Answer 31

BUUUUT divide is by pi

Answer 32

it

Answer 33

you should get 2 :)

Answer 34

so b?

Answer 35

Yep :) great job :)

Answer 36

thank you so much!!!!!!!!!!!

Answer 37

no problem. Do you understnd?

Answer 38

kinda of lol

Answer 39

good :) have a great day!