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In the case of a circle, or spehere, the diameter is twice the radius.

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12y ago
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Q: What is the diameter if the radius is 42 cm?
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Related questions

What is the radius of a circle that has a 10 cm diameter?

diameter = radius × 2 → radius = diameter ÷ 2 = 10 cm ÷ 2 = 5 cm


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

The diameter of a circle is twice its radius. Thus the radius of a circle is half its diameter. → a circle with a diameter of 15 cm has a radius of 15/2 cm = 7.5 cm


If the radius of the cricle above is 8.7cm .what is its diameter?

Diameter = 2 × Radius = 2 × 8.7 cm = 17.4 cm diameter of the circle is 17.4 cm.


What is the diameter of a circle whose radius is 8 cm?

Diameter = Radius * 2 In this case, radius = 8 cm so diameter = 16 cm


The diameter of a circle is 12 cm what is its radius?

If the diameter is 12 cm the radius is 6 cm.


What is a circle's diameter if the radius is 7 cm?

The diameter of a circle is double the radius. So a circle with a radius of 7 cm has a diameter of 14 cm.


What is the radius and diameter of a circle 10-cm?

radius 5 cm diameter 10 cm


What is the diameter if the radius is 7 cm?

The diameter would be 14 cm, since the diameter is twice the radius.


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.


What is the diameter of a circle if the radius is 8 Cm?

The radius is always exactly half of the diameter, so if the radius is 8 cm, then the diameter is 16 cm.


If The diameter of a circle is Cm what is the radius?

it is half the diameter e.g 10cm diameter = 5 cm radius


What is the diameter of a circle with a radius of 12cm?

the diameter of a circle is double the radius so if the radius is 12 cm then the diameter is 24 cm