Question
Estimate the diameter of a circle with a circumference of 80 feet.
Answers
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The formula to calculate the circumference of a circle is:
C = 2πr
where C is the circumference, π is a mathematical constant approximately equal to 3.14, and r is the radius of the circle.
From this formula, we can solve for the radius by dividing both sides by 2π:
r = C / 2π = 80 / (2 x 3.14) = 12.74 feet
The diameter of the circle is simply twice the radius, so:
d = 2r = 2 x 12.74 = 25.48 feet
Therefore, the estimated diameter of the circle with a circumference of 80 feet is approximately 25.48 feet.
C = 2πr
where C is the circumference, π is a mathematical constant approximately equal to 3.14, and r is the radius of the circle.
From this formula, we can solve for the radius by dividing both sides by 2π:
r = C / 2π = 80 / (2 x 3.14) = 12.74 feet
The diameter of the circle is simply twice the radius, so:
d = 2r = 2 x 12.74 = 25.48 feet
Therefore, the estimated diameter of the circle with a circumference of 80 feet is approximately 25.48 feet.