Respuesta :

The equation to get the circumference of a circle is: (C = circumference & r = radius)
C = pi times diameter

The information given:
Radius = 84 inches

What you can get from the information given:
Diameter = 168 inches

So: 
C = pi times diameter (168 inches)
C = pi times 168 inches (which is 527.52 inches)
C = 527.52

Hope that helps!

Answer:

264 inches

Step-by-step explanation:

Identify the diameter of the circle.

d = 84 in.

Use the formula.

C = πd

C = π(84) Substitute 84 for d.

C ≈  22/ 7

(84) Substitute  

22/ 7  for π.

C ≈ 264 Multiply.

The circumference of the circle is about 264 inches.

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