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12 Cards in this Set
- Front
- Back
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Perimeter |
The distance around the outside of a figure |
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radius |
the distance from the center to the edge of a circle |
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diameter |
the distance across the circle through the center |
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circumference |
the distance around a circle |
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Pi |
3.14 |
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semicircle |
half of a circle |
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composite figure |
is made up of more than one shape |
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Formula for Area of a Circle |
A=pi r squared |
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Formula for circumference |
C=2 pi r C= pi d (c is circumference; r is radius, d is diameter) |
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Formula for Area of Triangle |
A=1/2bh (b is base; h is height) |
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Formula for Area of Rectangle |
A=lw (l is length, w is width) |
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Formula for Area of Parallelogram |
A=bh (b is base, h is height) |
