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15 Cards in this Set
- Front
- Back
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The distance around a figure
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Perimeter
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A measure of how much surface is covered by a figure. Area is measure in square units.
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Area
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Length x Width
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Area of Squares/Rectangles
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1/2 Base x Height
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Area of Triangles
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Pi x radius squared
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Area of Circle
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The distance around the outside of a circle.
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Circumference
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A line segment passing through the center fo a circle from one sid to the other.
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Diameter
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A line segment from the center fo the circle to the edge of the circle.
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Radius
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The radius of cirucmference of a circle to its diameter. Pi= 3.14
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Pi
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Figures that have the same shape but are different sizes.
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Similar figures
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Figures that have the same size and shape.
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Congruent figures
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Is how many times the smaller figures line segments
go into the bigger bigger figures line segments. |
Scale factor
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Two triangles that are similar if the measurement of the three angles in both triangles are the same.
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Similar Triangles
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In similar triangles corresponding sides have the same ratio.
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Correspondidng Sides
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The corresponding sides of similar triangles are proportional to each other.
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Proportional
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