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Circumference (perimeter) of a circle = pi x diameter

Diameter of a circle is the straight line distance from one side to the other which passes through the centre of the circle.

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15y ago

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What is perimeter in circle?

Pi (3.1415...) times the diameter of the circle = the perimeter


How do you find the perimeter from the diameter?

The perimeter or circumference of a circle = diameter times pi


Work out the perimeter of the semi-cirle when diameter is 15cm?

The perimeter of a full circle (circumference) is "pi" times the diameter. So the perimeter of a semi-circle will be half that; Perimeter = (pi/2) x (diameter).


What is the equation to find the perimeter of a circle?

Circumference ("perimeter") of a circle = (pi) x (diameter of the circle)


How do you find the perimeter of a semi circle with a diameter of 12mm?

-- Find the circumference of a full circle with a diameter of 12 mm.-- The perimeter of the semi-circle is(1/2 the circumference of the full circle) + (the diameter).


What is the perimeter of a circle if the diameter is 20 ft?

The perimeter is the diameter times pi. So the perimeter is 20pi ft


How do you find the diameter of a circle with the perimeter?

The equivalent of a "perimeter" in a circle is actually called its circumference. To get the diameter, just divide the circumference by pi.


What is the perimeter of a circle whose circumference is 3cm and diameter 3cm?

The perimeter of a circle is its circumference and it is: 2*pi*radius or pi*diameter


Find the perimeter of a circle if the diameter is 36 centimetres?

Perimeter = pi*diameter = 113.1 cm


How do you Find The Perimeter of a Circle With an diameter?

Multiply the diameter by pi.


How is the diameter related to the radius of a circle?

The radius of a circle is a line that starts at the center of the circle and ends somewhere along the perimeter of the circle. The diameter is a line that starts at the perimeter of a circle, goes through the center of the circle, and ends at the opposite perimeter of the circle. This a diameter is twice as long as a radius and can be thought or as consisting of two radii.


How do you calculate the perimeter of a circle?

The perimeter or circumference of a circle = 2*pi*radius or pi*diameter