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How many times is the circumference bigger than the diameter of a circle?
The circumference of a circle is 3.14159… times, or pi times bigger than its diameter.
If the circumference of a circle is 18.6 cm more than its diameter then what is the diameter of the circle?
8.68
How many times longer is the circumference of a circle than its diameter?
It is larger than the diameter by a factor of Pi (about 3.1416).
Is circumference shorter or longer then radius or diameter?
It's longer than both. The circumference - is the distance around the circle... The diameter - is the distance across the circle, passing through the centre... The radius - is the distance from the centre of the circle to the edge.
Is the circumference of a circle greater than less than or equal to the perimiter of a semi circle?
The circumference is pi x diameter Perimeter of semi circle is (0.5) x pi x diameter + diameter which is diameter x (0.5pi + 1) Subtracting Perimeter from Circumference we get [pi x diameter] - [diameter x (0.5pi + 1)] which is diameter x [pi - 0.5pi -1] pi = 3.1415 Hence the result = diameter x (3.1415 - 1.570 - 1) which will always be positive. Hence circumference is greater than perimeter of semi circle. Intuitively also we see that the diameter is a straight line and the semi circles are arcs over the end points of the diameter.
