Radius and Diameter

Radius and Diameter

RADIUS

a straight line from the center to the circumference of a circle or sphere.

Diameter

a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

Example 1

The Radius of this circle is 5 inches. What is the diameter?

Example 2

The DIameter of this circle is 22 centimeters. What is the radius?

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What is the diameter of this circle?

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What is the radius of this circle?

Examples 3

If the radius of a circle is 13 cm, what is its diameter?

Examples 4

If the diameter of a circle is 28 m, what is its radius?

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If the radius of a circle is 16 in, what is its diameter?

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If the diameter of a circle is 19 cm, what is its radius?