Question

Find circumference!!!! Will give medal and become fan.

Answer 1

The are is pir^2=1962.5

Answer 2

\[r^2=1962.5/pi\]

Answer 3

Tell me how much you get for r^2

Answer 4

i dont really know i mean the teacher just like put it on the paper and didnt even tell us what a radius or diameter of a circle was so i cant really understand it

Answer 5

Okay Do this 1962.5/3.14. Tell me how much you get

Answer 6

um 625

Answer 7

Now \[\sqrt{625}\]

Answer 8

Gives you r (the radius)

Answer 9

25

Answer 10

So that's your radius. Now the diameter is 2*25!

Answer 11

thank you so much, ill give you a medal and become fan

Answer 12

wait um whats the diameter

Answer 13

The diameter is 2 * 25=50
So the diameter is 50!

Answer 14

Now for the circumference. The formula is \[2pir\]

Answer 15

So do this 2*3.14*25!

Answer 16

Tell me what you get!

Answer 17

@neluthenoodle

Answer 18

sorry i went to go eat, thanks again

Answer 19

and um i got give me a sec

Answer 20

2*3=6 and 14*25=350

Answer 21

No no. 3.14 There's a decimal. Multiply all three numbers together.

Answer 22

oh sorry

Answer 23

\[2*3.14*25\]

Answer 24

157

Answer 25

Bingo. That's your circumference. All done. Just remember that the diameter is two times the radius.

Answer 26

alright, thanks so much, you're very smart.

Answer 27

Haha! Thanks :)