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.
part b: use the formula for area and solve for the value of pi for each circle.
part c: what observation can you make about the value of pi for circles a and b?

This is the formula for circumference:
π

Substituting the values from circle A, we get this:
25.12 = 8π
π =
π = 3.14
 
Using the values from circle B, we get this:
9.42 = 3π
π =
π = 3.14

The formula for area is:
π

Using the values from circle A, we get this (also using ):
50.24 = π
50.24 = π
50.24 = 16π
π =
π = 3.14

Using the values from circle B, we get this:
7.065 = π
7.065 = π
7.065 = π
π =
π = 3.14

The observation is that π = 3.14, although in reality this is only an approximation to 3 significant figures, since π is a transcendental number.

I hope this helps you

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