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How do you use pi to determine circumference?

Updated: 10/17/2024

Wiki User

∙ 14y ago

Best Answer

Circumference = pi times the diameter, or pi times 2 times radius. Area = pi times (radius squared)

Wiki User

∙ 14y ago

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Related questions

What is the circumference of a circle with a diameter of 8 meters?

To determine the circumference of any circle, multiply the diameter by pi. Pi is approximately equal to 3.1416

Why do people use Pi?

people use pi to find the circumference of a circle.

Is the radius one fourth of the circumference?

No. It is circumference/(2*pi)No. It is circumference/(2*pi)No. It is circumference/(2*pi)No. It is circumference/(2*pi)

What are the two formulae you can use to find the circumference of a circle?

Circumference of a circle = 2*pi*radius or pi*diameter

What is the approximate circumference of the circle. Use 3.14 to approximate pi?

If pi=3.14, then the circumference is ( 3.14 times the diameter).

Why do we use pi?

We use it to calculate the circumference of a circle.

How do you determine the radius if you know the area and the circumference of a circle?

If circumference(C) is given, then r = C/2(pi) If area(A) is given, then r = (A/pi)1/2

How do you get circumference for the circle?

Measure the diameter. Multiply the diameter by Pi, this will give the circumference. Pi is approximately 3.1415927 You can use the Pi symbol on a scientific calculator or use 22/7.

What do pi have to do with math?

you use pi to calculate the area or circumference of a circle

What is the circumference of a circle with radius 11.8 in both terms of pi and to the nearest tenth use 3.14 for pi?

circumference = 2 * pi * radius circumference = 2 * 3.14 * 11.8 circumference = 74.104 Circumference = 2*pi*radius Circumference = 2*3.14*11.8 = 74.104 = 74.1 to the nearest tenth

How is finding the area of a circle similar to finding the circumference of a circle?

They both use pi:- circumference = 2*pi*radius or diameter*pi area = pi*radius2

How do you find the circumference of a circle using the radius?

Circumference = 2*pi*radius So the radius = circumference/2*pi

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