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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Area of a Square
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A = s^2
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same sides
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Area of a Rectangle
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A = bh
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Product of the sides
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Area of a Parallelogram
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A = bh
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Like a rectangle
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Area of a Triangle
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A = (1/2) bh
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Half a rectangle
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Area of a Trapezoid
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A = (1/2)(b1 + b2)h
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Triangle with its top cut off
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Area of a Rhombus and
Area of a Kite |
A = (1/2)d1d2
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Diagonals bisect each other
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Area of a Regular Polygon
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A = (1/2) aP
or A = (1/2) ans |
P = ns
a = apothum |
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Circumference of a Circle
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C = 2pi r
or C = pi d |
pi = 3.14
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Area of a Circle
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A = pi r^2
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pi = 3.14
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Arc Length
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(x/360) 2pi r
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x = measure of arc
pi = 3.14 |
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Area of a Sector
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(x/360) pi r^2
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x = measure of arc
pi = 3.14 |
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Ratio of Perimeters
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a:b
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Perimeter is a distance
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Ratio of Areas
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a^2 : b^2
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Area is a surface
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Probability of a Length
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P(Length) = (Length-Part / Length-Whole)
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Part over whole
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Probability of an Area
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P(Area) = (Area-Part / Area-Whole)
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Part over whole
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