Question

Circle A has a diameter of 9 inches, a circumference of 28.26 inches, and an area of 63.585 square inches. The diameter of circle B is 5 inches, the circumference is 15.70 inches, and the area is 19.625 square inches..

Part A: Using the formula for circumference, solve for the value of pi for each circle. (4 points)

Part B: Use the formula for area and solve for the value of pi for each circle. (4 points)

Part C: What observation can you make about the value of pi for circles A and B? (2 points)

Answer 1

Have you attempted any yet?

Answer 2

not really. i dont really know about this

Answer 3

@Miracrown

Answer 4

Let's focus on circle A. With this info, can you find the value of pi being used for circle A?

Answer 5

3.14

Answer 6

right?

Answer 7

Circle A: R = 9/2 inches, C = 28.26, A = 63,585

Answer 8

Yes, you're right!

Answer 9

ok so then next.... ?

Answer 10

Let's now look at circle B: R = 5/2, C = 15.70, A = 19.625

Answer 11

Pi is the same

Answer 12

3.14?

Answer 13

Correct :)

Answer 14

Wow

Answer 15

So it appears the person working these calculations for circles A and B is using the same consistent value for pi or 3.14

Answer 16

See how easy it all was? :P

Answer 17

Yes, true

Answer 18

Wow, you're right :)

Answer 19

But before you leave, can you tell me what i'm supposed to put for them? in one post?

Answer 20

please?

Answer 21

I have to show my work :( but im not surehow to do that

Answer 22

Oh, we just solved it. You just simply put it all together, like this:
A = 3.14
B = 3.14
C =The person working these calculations for circles A and B is using the same consistent value for pi or 3.14

Answer 23

For real??? thx :)

Answer 24

ur the best!!!

Answer 25

can you help me with some more?

Answer 26

ill put it in a new post

Answer 27

Sure