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What is the radius of a circle when the diameter is 20cm?

Updated: 4/28/2022

Wiki User

∙ 12y ago

Best Answer

Radius = Diameter/2 = 10 cm

Wiki User

∙ 12y ago

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What is the radius if the dianeter is 40cm?

The Diameter is the distance from one side of the circle all the way to the other side. The Radius is half the distance in a circle. Simply put: 40cm = Diameter 20cm = Radius (Half the distance) :)

What is the radius if the diameter is 20 cm?

The Answer is 20cm because you divide the diameter by 2 and then it should be your answer EX: 20/2=10, 102= Radius

What is the area of a circle with a radius of 20cm and a diameter of 50cm?

This cannot be properly answered because a 20 cm radius equates to a 40 cm diameter. Also, a 50 cm diameter means a 25 cm radius.

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

The radius of a circle is half of its diameter

The diameter of a circle is twice the radius the radius of the circle is?

1/2 of the diameter

Related questions

What is the radius of a 20cm circle?

That depends what you mean with "a 20 cm. circle". If 20 cm. is the radius, you already have the answer. If 20 cm. is the diameter, the radius is half the diameter. (10cm)

If a circle has a radius of 10 cm what is measure of circle's diameter?

WOW really? It would be 20cm

What is the radius if the dianeter is 40cm?

The Diameter is the distance from one side of the circle all the way to the other side. The Radius is half the distance in a circle. Simply put: 40cm = Diameter 20cm = Radius (Half the distance) :)

What is the area of a circle with a diameter of 20 cm?

A circle with a radius of 10 cm has an area of 314.16 square cm

What is the radius if the diameter is 20 cm?

The Answer is 20cm because you divide the diameter by 2 and then it should be your answer EX: 20/2=10, 102= Radius

What is the area of a circle with a radius of 20cm and a diameter of 50cm?

This cannot be properly answered because a 20 cm radius equates to a 40 cm diameter. Also, a 50 cm diameter means a 25 cm radius.

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.

What is the area of a circle with a radius of 20cm?

A = 1,257 cm2

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