Circle Calculations
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Flashcards covering the area of circles, sectors, diameters, and arcs.
Last updated 3:53 PM on 5/13/25
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7 Terms
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Simplified Area of a Circle
Area of the circle in simplified form, using pi.
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Decimal Area of a Circle
Area of the circle as a decimal, typically using 3.14 for pi.
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Diameter
The distance across the circle passing through the center.
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Area of a Sector
Area of a slice of the circle.
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Arc
The curved line forming part of the circle's circumference (the crust).
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360 Degrees
The full circumference of the circle (360 degrees).
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Major Arc
The arc that is the remaining portion of a circle's circumference after a minor arc is removed; it is always greater than 180 degrees.
Note 
Flashcards (229)