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[DOC File]The radius, diameter, circumference, and area of a circle
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Feb 14, 2012 · a) The circumference of a circle with a diameter of 15 cm. b) The radius of a circle with a diameter of 480 in. c) The circumference of a circle with a radius of 320 cm. d) The diameter of a circle with a radius of 522 ft. The radius, diameter, or circumference of a circle is given. Find the missing measures. Show your work.
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[DOC File]Geometry Supplement for Math 60 – Perimeter, Area, and …
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The diameter of a circle is a line segment through the center in which its endpoints lie on the circle. Note: d = 2r. Circumference of a circle. C = d or C = 2 r . The perimeter of a circle is called its circumference. The circumference of a circle is just over three times the length of the diameter.
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[DOC File]Lesson #1: Area of Circles
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The diameter of a circle is 2 times the radius. Find the area of the circle. r = 5 in. Substitute into the area formula. . Example 1: Solve for the area of a circle with a radius equal to 4 meters. (1) Area = 3.14 x (4 x 4) Apply the amounts given in the problem to the formula. (2) Area = 3.14 x 16 Multiply the numbers within the parentheses.
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[DOC File]Unit 4: Circles and Area
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subtract the area of the small inner circle and . 3 cm and that will give you the area of the donut. 8 cm. Area of the Big Circle = π × r × r. 8 cm. Area of the Small Circle = π × r × r. 3 cm Area of the Donut = Area of Big Circle – Area of the Small Circle. 3. The circumference of a circle is 50.24 cm. a). Find the diameter of the ...
diameter of a circle formula

[DOC File]Circles: circumference and area worksheet
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Calculate the circumference and area of the following circles: a) b)c) d)e)f) 5. Find the area of a semicircle of radius: a) 5 mb) 9 mc) 20 md) 25 m. 18 cm. 6 m.
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Diameter to area of a circle