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Subjects>Math>Geometry

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

Anonymous

∙ 8y ago

Updated: 4/28/2022

Using 3.14 as Pi the area of circle is: 1017.36

Jay O'Connell ∙

Lvl 9

∙ 3y ago

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

9 cm (r = d/2)

What is the perimiter of a semi circle if the radius is 18cm?

The perimeter is pi*r + 2r = 92.6 cm

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 area of a circle if the radius is 9m?

The area of a circle if the radius is 9m 254.5m2

What is the radius of a circle with the area of 36?

The radius of a circle with the area of 36 is 3.385

Related Questions

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

1,017.9 cm2

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 radius with a circle with a diameter of 18cm?

9 cm (r = d/2)

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

A = 254.47 cm2

What is the perimiter of a semi circle if the radius is 18cm?

The perimeter is pi*r + 2r = 92.6 cm

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 area of a sector with a radius of 2cm and a arc of 18cm?

A sector with a radius of 2 cm can't have an arc of 18 cm. If the radius is 2 cm, then the entire circumference of the whole circle is a little less than 12.6 cm. Strange as it may seem, the area of that whole circle is a little less than 12.6 cm2 .

Surface area of cylinder with radius of 6cm and height of 18cm?

SA = 904.78 cm2

What is the radius of 18cm?

The radius of a circle is half of its diameter. If the diameter is 18 cm, then the radius would be 18 cm divided by 2, which equals 9 cm. Thus, the radius is 9 cm.

What is the area of a circle with the radius of 14.4?

The area of a circle with a radius of 14.4 is 651.4

What is the radius of a circle with the area of 36?

The radius of a circle with the area of 36 is 3.385

What is the area of circle with a radius of 35?

Area of a circle = pi*radius squared

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