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Subjects>Math>Geometry

What is the diameter of a circle with a radius of 9Cm?

Updated: 4/28/2022

Wiki User

∙ 15y ago

Best Answer

r= 9 so diameter is 2x the radius =18 cm

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∙ 15y ago

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Continue Learning about Geometry

What is the area of a 9Cm diameter circle?

A circle with a radius of 4.5Cm has an area of 63.62Cm2

What is the diameter if the radius is 4.5 cm?

The diameter of a circle is double the radius so it has to be 9cm

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

Diameter of circle = 2 * Radius of the circle.

If the Diameter of a circle is 120 what is the radius?

Since diameter is twice its radius, the radius of this circle would be 60

What is the radius of a circle with a 6.2 cm diameter?

The radius (radii) of a circle is 1/2 of the diameter. The radius of a circle with a 6.2 cm diameter is 3.1 cm.

Related questions

What is the area of a 9Cm diameter circle?

A circle with a radius of 4.5Cm has an area of 63.62Cm2

What is the diameter if the radius is 4.5 cm?

The diameter of a circle is double the radius so it has to be 9cm

How is the circumference of a circle with radius 9 cm related to the circumference of a circle with diameter of 9cm?

Doubling the radius doubles the circumference.

The radius of a circle is 9cm what is the circumference of the circle?

56.549 cm

What is the radius of a circle with a diameter of 9 cm?

To calculate the radius is very easy, the formula is d/2 where d is diametre. therefore according to d/2 = 9cm/2 which is equals to 4.5 cm Result : the radius of a circle with a diameter of 9 cm is 4.5 cm.

What is the circumference of a circle with a radius of 9cm?

56.549 cm

How do the the radius and diameter of a circle compare?

The diameter of a circle is twice its radius

If the radius of a circle is r what is the diameter of the circle?

The radius of a circle is half the diameter so if the radius of a circle is r, then the diameter is 2r.

What is the diameter of a circle or a radius of in?

The diameter of a circle is twice its radius

When the diameter of a circle is 85.4 What is the radius of the circle?

The radius of a circle is always half of the diameter. If the diameter is 85.4, the radius is 42.7.

What is the radius of a circle if the diameter is 14in?

The radius of a circle is half of the diameter, so the radius of a circle with a diameter of 14in is 7in.

The radius of a circle is 9cm what is the area?

254.47 square cm

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