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If the diameter of a circle is 9cm what is the radius?

Anonymous

∙ 8y ago

Updated: 1/9/2026

The radius of a circle is half of its diameter. If the diameter is 9 cm, the radius would be 9 cm ÷ 2, which equals 4.5 cm.

AnswerBot

∙ 1mo ago

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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

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

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 of a circle with a radius of 9Cm?

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

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

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

What is the radius of a circle with a 6inches diameter?

The radius of a circle is half the diameter, so the radius of a 6 inch diameter circle is 3 in.

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

The radius of a circle is half of its diameter

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