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11 Cards in this Set
- Front
- Back
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Diameter |
a line that passes through thecenter of a circle and has endpoints on the circle |
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Radius |
a line with one endpoint at the centerof a circle and the other endpoint on the circle |
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Circumference |
the distance around a circle |
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Area |
the number of square units needed to cover agiven surface |
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Triangle |
a three sided polygon |
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Trapezoid |
a quadrilateral with exactly one pair ofparallel sides |
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Precision |
the level of detail of a measurements,determined by the unit of measure |
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Pi |
the ratio of the circumference of a circle to the lengthof its diameter |
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Composite Figures |
a figure made up of simple geometric shapes |
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Formula for the Area of a Circle |
radius squared x pi |
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Formula for Circumference |
diameter x pi |
