Mathematics
Mathematics, 30.08.2019 18:00, joel3410

What should the diameter of a circle whose circumference is measured to be 20 cm be?

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Mathematics, 24.06.2019 16:30, carswellml
The circumference of a circle varies directly as the diameter of a circle. when the diameter of a circle is 5, the circumference of the circle is approximately 15.7. what is the approximate circumference of a circle with a diameter of 9? round answer to nearest tenth.
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Mathematics, 06.07.2019 22:10, cbrpilot1151
Which statements are true about the circle shown below? d = 8 cm the diameter is 8 cm and the radius is 4 cm. the circumference of the circle in terms of 5 is 8. the circumference of the circle in terms of is 25(4) the circumference of the circle rounded to the nearest whole number is 20 cm. if is approximated to 3.14, the circumference of the circle is 25.12 cm.
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Mathematics, 25.07.2019 00:30, TrueKing184
Pi is defined as the ratio of the circumference of a circle to the diameter of that circle. which of the following correctly explains why the formula for the circumference of a circle is 2 pi r? a. two times pi equals the distance from one side of the circle to the other. when you multiply around the circle, or the circumference. b. pi times r equals the diameter of the circle. the diameter is a half circle, so when you multiply it by 2, you get the distance around the entire circle, or the circumference. c. two times r equals the diameter of the circle. pi is needed for all circle formulas, so you multiply by pi since you are finding the circumference. d. two times r equals the diameter of the circle. pi equals the circumference divided by the diameter. when you multiply, the diameter is in both the numerator and the denominator, which cancels out, leaving the circumference.
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Mathematics, 17.10.2019 08:30, vlactawhalm29
The circumference of a circle varies directly as the diameter of a circle. when the diameter of a circle is 5, the circumference of the circle is approximately 15.7. what is the approximate circumference of a circle with a diameter of 9? round answer to nearest tenth. 2.9 8.7 28.3 706.5
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