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Earn +20 ptsQ: What is the diameter of 45 centimeters in meters?
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Would you measure the diameter of a softball in meters or centimeters?
centimeters
What is the circumference of a circle with a diameter if 45 centimeters?
The idea is to multiply the diameter by pi.
How many square meters are there in a tile of 45 centimeters by 45 centimeters?
0.2025 square meter (if the tile is square).
If a wagon wheel has a diameter of 70 centimeters how many revolutions would it take to travel 66 meters?
To figure out how long a revolution is you need to find the circumference of the wheel. If the diameter is 70 centimeters, then to get the circumference you multiply the diameter by pi (3.14). That equals 219.8. centimeters. Then you convert 66 meters into centimeters, and that is 6600. Then you divide 6600 by 219.8 and get 30 revolutions.
If the diameter is 32 centimeters what is the radius in centimeters?
The radius of a circle is half the length of the diameter, so if the diameter is 32 centimeters the radius is 16 centimeters.
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