Oval = 2 semicircles connected with two parallel lines which are spaced by the diameter of the semicircle.
Circumf. = (Pi x 15) + (2*15) = 15 Pi + 30 = 77.124 (to nearest 3rd decimal).
Please note that an oval is not an ellipse.
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The circumference of an 8 ft circle is: 25.1 feet.
if a jogging track has a diameter of 300 ft. what is the circumference
diameter = circumference ÷ π = 10 ft ÷ π ≈ 3.18 ft
If the diameter is 25 feet then the circumference is 78.5 feet (approx).
The formula to calculate the circumference of a circle is C = πd, where C is the circumference, π is pi (approximately 3.14159), and d is the diameter of the circle. In this case, the diameter is 35 feet, so the circumference would be C = π(35) = 110.19 feet.