Question

Circle A has a diameter of 8 inches, a circumference of 25.12 inches, and an area of 50.24 square inches. The diameter of circle B is 3 inches, the circumference is 9.42 inches, and the area is 7.065 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

Please help and. Ex ain the answer please

Answer 2

Explain the answer please

Answer 3

So you need to solve for \(\pi\).

You can use these formulas:
\(r = \dfrac{d}{2}\\~\\~\\ C = 2\pi r = \pi d\\~\\A = \pi r^2\)

Answer 4

Plug in values and solve for \(\pi\).

Answer 5

Formula for Area of Circle = (pi) * (radius)^2
Radius = (1/2) * (Diameter)
Diameter of Circle A = 8
so Radius = (1/2) * 8 = 4
Area of Circle A = 50.24

(pi) = 3.14


Is that correct @geerky42

Answer 6

For A @geerky42

Answer 7

Well, pi does have to be somewhere close to \(3.14\)

Answer 8

Circumference = (pi)*(diameter)
Circumference of Circle A = 25.12
and Diameter of Circle A = 8
so then it will be (pi) = (Circumference) divided by (Diameter) = 25.12 / 8 = 3.14



I got that for a and the another one is for B

Answer 9

@geerky42. Please come we have not finished my question and this is what i got so far m i right right

Circumference = (pi)*diameter
Circumference of Circle A = 25.12
and Diameter of Circle A = 8
so then it will be (pi) = Circumference divided by Diameter = 25.12 / 8 = 3.14

Formula for Area of Circle = (pi) * radius^2
Radius = (1/2) * Diameter
Diameter of Circle A = 8
so Radius = 1/2 * 8 = 4
Area of Circle A = 50.24

(pi) = Area of Circle A divided by radius times radius= 3.14

Answer 10

@LegendarySadist

Answer 11

@amistre64

Answer 12

@pooja195

Answer 13

@texaschic101