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Subjects>Math>Math & Arithmetic

What is the area of a circle with an 18cm diameter?

Updated: 12/16/2022

Wiki User

∙ 12y ago

Best Answer

A = 254.47 cm2

Wiki User

∙ 12y ago

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Q: What is the area of a circle with an 18cm diameter?

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The diameter equals 18cm how do I find the area?

The general equation for the area of a circle is π*r2, where r is the radius of the circle, and π is pi, which is approximately 3.14159. The diameter of a circle is how far it is from one side of the circle to the other, and the radius is how far it is the from edge to the center, thus the radius is half the diameter. Therefore the area is π*(92) ~ 254.47

What is the diameter of 18cm to inches?

18cm is about 7 inches

If the diamater of a circle is 18cm what is the area?

Area = pi*92 = 254.469 square cm to 3 dp

What is the area of a circle with a diameter of 9.4 m?

The area of a circle with a diameter of 9.4 m is: 69.4 m2

If the area of a circle is 8pi what is the length of its diameter?

If the area of a circle is 8pi, its diameter is: 5.657 units.

Related questions

What is the circumference of a circle with diameter 18cm?

18 pi cm

The diameter equals 18cm how do I find the area?

The general equation for the area of a circle is π*r2, where r is the radius of the circle, and π is pi, which is approximately 3.14159. The diameter of a circle is how far it is from one side of the circle to the other, and the radius is how far it is the from edge to the center, thus the radius is half the diameter. Therefore the area is π*(92) ~ 254.47

What is the area of a circle if the radius is 18cm?

Using 3.14 as Pi the area of circle is: 1017.36

What is the radius with a circle with a diameter of 18cm?

9 cm (r = d/2)

What is the area of a circle that has a radius of 18cm?

1,017.9 cm2

If a circle has a radius of 9 cm how long is the circle's diameter?

The diameter is always double the radius so in this case, it is 18cm

What is the diameter of 18cm to inches?

18cm is about 7 inches

If the diamater of a circle is 18cm what is the area?

Area = pi*92 = 254.469 square cm to 3 dp

What is the diameter of a circle with a area of 37.68?

The diameter of a circle with an area of 37.68 is 6.92

What is the area of a circle with the diameter of 3m?

The area of a circle with the diameter of 3m is 7.069 m2

What is the area of a circle with diameter of 4.9?

The area of a circle with diameter of 4.9 is 75.43 units2

How do I figure the area of a circle by diameter?

To find area of a circle using diameter, you use this formuler. Area=pi(diameter/2)(diameter/2)

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