47.1 feet
Circumference = 2 x pi x r OR pi x d
3.14 x 15 feet = 47.1 feet
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Circumference = Pi multiplied by the diameter. C = (3.1415)(15 in.) = 47.12 in. Therefore, the circumference of a circle with a diameter of 15 in. and a radius of 7.5 in. is approximately 47.12 inches.
566cm
diameter = 15pi/pi = 15 units in length
To find the diameter of a circle with a given circumference, you can use the formula: circumference = π * diameter. Given a circumference of 47.1 cm, you can rearrange the formula to solve for the diameter. Divide the circumference by π (approximately 3.14159) to find the diameter. Therefore, the diameter of a circle with a circumference of 47.1 cm is approximately 15 cm.
A circle's circumference is the product of Pi and its diameter, so a diameter can go around a circumference approximately 3.14 times.