# 5.3.1. Circles

In the following figure, the radii of the circle are .

• A
• B
• C
• D
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In the following figure, the diameter of the circle is .

• A
• B
• C
• D
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Find the length of .

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Identify all the radii in the following circle:

• A
• B
• C
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Identify all the radii in the following circle:

• A
• B
• C
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In the following figure, determine the diameter(s) of the circle.

• A
• B
• C
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In the following figure, find the perimeter of the square given that the length of the circle's radius cm.

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In the following figure, there are two circles with the same center . If their radii are cm and cm, find the length of .

• Acm
• Bcm
• Ccm
• Dcm
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In the following figure, there are two circles with the same center . If their radii are cm and cm, find the length of .

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If the diameters of and are cm and cm respectively, determine the length of .

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If is a circle whose diameter is cm, and cm, then the point is located the circle.

• Aoutside
• Binside
• Cat the center of
• Don
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If is a circle whose diameter is cm, and cm, then the point is located the circle.

• Ainside
• Boutside
• Con
• Dat the center of
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In the following figure, if the radius length of each of the three circles is cm, find the perimeter of triangle .

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is a circle of radius length cm. Given that cm, then the point is located the circle.

• Aoutside
• Binside
• Con
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is a circle of radius length cm. Given that cm, then the point is located the circle.

• Aon
• Boutside
• Cinside
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If a circle's diameter length is cm, then its radius length is cm.

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Determine the diameter of the circle , given that its radius cm.

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If the radius of a circle is cm, its diameter will be cm.

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Given that the radius of circle is cm and the radii of circles and are cm, determine the length of .

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If the radius of circle is cm and the radii of circles and are cm each, find the perimeter of .

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