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39 Cards in this Set
- Front
- Back
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Perpendicular Lines
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Lines that cross and form a 90 degree angle(s)
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Equilateral Triangle
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all sides same length
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Isosceles Triangle
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2 sides same length
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Scalene triangle
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all sides different lengths
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Right triangle
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One angle is 90 degrees
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Obtuse Triangle
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One angle is obtuse
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Acute triangle
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All angles are acute
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Quadrilateral
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4 sided polygon
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Pentagon
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5 sided polygon
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Hexagon
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6 sided polygon
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Heptagon
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7 sided polygon
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Octagon
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8 sided polygon
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Nonagon
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9 sided polygon
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Decagon
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10 sided polygon
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Dodecagon
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12 sided polygon
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Sum of angle measures
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If a polygon has "n" sides then sum of angles is (n-2) * 180
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Area of rectangle
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L*W
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Area of square
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S*S
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Parallelogram
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4 sided figure with 2 pairs of parallel sides
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Area of a Parallelogram
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base times height
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Area of a triangle
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1/2 * base * height
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Trapezoid
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4 sided polygon with one pair of sides parallel
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Area of a Trapezoid
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1/2*H*(A+B)
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Diameter of circle using radius
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d=2 * R
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Radius of a Circle using diameter
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r = d/2
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Circumference using diameter
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C = Pi * D
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Circumference using radius
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C = 2 * Pi * R
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Area of circle using radius
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A = Pi * R Squared
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Volume of rectangle
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V = L * W * H
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Volume of a cylinder using Base
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V = B * H
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Volume of a Cylinder using Radius
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V = Pi * R squared * H
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Volume of a sphere using radius
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V = 4/3 * Pi * R Cubed
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Volume of cone using Base
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V = 1/3 * B * H
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Volume of cone using Radius
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V = 1/3 Pi * R squared * H
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Complementary angles
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Sum to 90
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Supplementary angles
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sum to 180
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Transversal
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Line that intersects 2 or more coplanar lines
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Volume of Pyramid
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Area of Base * H * 1/3
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Pythagoras Theorem
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Asqr + B sqr = c sqr in any right triangle where a and b are legs and c is hypotenuse
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