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What is the diameter of a circle if its radius is 15cm?

Updated: 11/4/2022

Wiki User

∙ 11y ago

Best Answer

Diameter = Radius*2 = 30 cm.

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∙ 11y ago

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What is the circumference of a circle with a radius of 15cm?

double the radius to get the diameter = 30 multiply by pi (3.1415...) = 92.245 cm

What is the circumference of a circle with the diameter of 15cm?

The formula for the circumference of a circle is C = 2πr where r is the radius. This formula can also be expressed as C = πd where d is the diameter as the diameter is twice the radius. C = 15π = 47.12cm (2dp)

What is the radius of a circle if the circumference is 8cm?

The radius is 1.27cm

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.

Related questions

What is the radius of a 15cm circle?

If 15cm is the diameter then the radius is 7.5cm If the circumference is 15cm then the radius is 7.5/pi cm

What is the radius of circle with a diameter of 15cm?

7.5cm (r = d/2)

What is the circumference of a circle with diameter of 15cm?

The circumference of a circle with diameter of 15cm is about 47.12cm

What is the circumference of a circle if the diameter is 15cm?

The circumference of a circle, if the diameter is 15cm, is about 47.12cm

What is the circumference of a circle with a 15cm diameter?

The circumference of a circle with diameter of 15cm is about 47.12cm

What is the circumference of a circle with a radius of 15cm?

double the radius to get the diameter = 30 multiply by pi (3.1415...) = 92.245 cm

What is the circumference of a circle with the diameter of 15cm?

The formula for the circumference of a circle is C = 2πr where r is the radius. This formula can also be expressed as C = πd where d is the diameter as the diameter is twice the radius. C = 15π = 47.12cm (2dp)

What is the radius of a circle if the circumference is 8cm?

The radius is 1.27cm

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.

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