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How do you find the area of a circle with a diameter of 4cm?

Updated: 10/19/2022

Wiki User

∙ 9y ago

Best Answer

Area = 1/4*Pi*d2

1/4*3.14*42 = about 12.56cm2

Wiki User

∙ 9y ago

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What is the circumference of a circle if the diameter is 4cm?

Circumference = Pi X Diameter = 3.1415 X 4cm = 12.566cm

What is the diameter of a circle with a radius of 2 Centimeters?

4cm

What is the circumfrence of a circle if the diameter is 4Cm?

The formula for the circumference of a circle is C = πd, π = 3.142, d = 4cm C = 3.142 x 4cm C = 12.568cm

What is the circumference of a 4cm circle?

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

What is the area of a 4cm circle?

5

Related questions

What is the diameter of a circle whose radius is 4cm?

radius=4cm diameter=8cm *radius is half the diameter

What is the circumference of a circle if the diameter is 4cm?

Circumference = Pi X Diameter = 3.1415 X 4cm = 12.566cm

How do you work out the area of a circle given the diameter?

you half the diamater to get the radius, then you square the radius. Then you times it by 3.14. Always. example. Diameter=4cm then radius =2cm squared=4cm 4x3.14=12.56

What is the diameter of a circle with a radius of 2 Centimeters?

4cm

What is the cross sectional area of the 4 pipe?

Method to find area of a circle is: The area of a circle is its radius squared times pi. Assuming the pipe has a diameter of 4cm: radius = 2 cm Circumference = 12.5664 cm Area = 12.5664 cm2

What is the diameter of a circle if the radius is 2cm?

The radius is double the diameter so 4cm.

If the radius of a circle is 2cm what is the diameter?

Diameter of circle = 2 * Radius of the circle.

What is the circumfrence of a circle if the diameter is 4Cm?

The formula for the circumference of a circle is C = πd, π = 3.142, d = 4cm C = 3.142 x 4cm C = 12.568cm

What is the circumference of a 4cm circle?

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

What is the area of a 4cm circle?

5

What is the diameter of a circle if it has a radius of 4cm?

The radius is half the diameter. So multiply the radius by 2.

What is the circumference of a circle when the diameter equals 4cm?

A circumference of 12.57 cm

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