jennorlund jennorlund

27-02-2015
Mathematics

Answered

Sarah's arm if 20 inches long. If Sarah swings her arm in a circle, what will the diameter of the circle be?

Answer :

27-02-2015

The radius is the 20inches the diameter is 2x the radius so the diameter would be 40 inches

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sugarmate sugarmate

28-02-2015

When Sarah swings her arm, she swings from the shoulder which acts as the center of a circle. The length of her arm is the radius of the circle. If her arm is 20 inches long, then the diameter of the circle is twice that or 40 inches.

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