Question

I need geometry help

Answer 1

hey

Answer 2

I already got the answer i just need help on how they got it

Answer 3

http://prntscr.com/i8vsbd

Answer 4

We had to find the circumfrence and area of the wheel. How did that guy get the circumfrence?

Answer 5

C=2πr

A=πr2

R=Radias

https://www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/area-circumference-circle/e/find-the-radius-or-diameter-of-a-circle-from-the-circumference-or-area

https://www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/area-circumference-circle/v/circumference-from-area

https://www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/area-circumference-circle/v/circles-radius-diameter-and-circumference

Basicly Circumference is the same as Area in the formula.

Answer 6

Those should help you a lot.

Answer 7

back

Answer 8

can you type me a simple explaination? lol

Answer 9

how did the guy get 376.55?

Answer 10

376.99*

Answer 11

im watching the third vid

Answer 12

wow the third video is so helpful

Answer 13

Thats good!

Answer 14

im confused why do they do 2pi again?

Answer 15

2*pi

Answer 16

Multiply

Answer 17

why do they call it that? is it because C x D ?

Answer 18

Idk

Answer 19

circumference and Diameter

Answer 20

Was the video helpful

Answer 21

he has a diameter of 120 meters so the radius is 1/2 of that

Answer 22

yea

Answer 23

how do we find the circumfrence when we only have the diameter?

Answer 24

.

Answer 25

C= π*d

Answer 26

brb