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27 Cards in this Set

  • Front
  • Back
Isoceles Triangle
Triangle in which two sides and angles are equal.
Equilateral Triangle
Triangle with three equal sides and angles.
Area of a Triangle
a=(1/2)bh
Right Triangle
  • Two legs that meet at the 90 degree angle.

  • Long side/hypotenuse is opposite the 90 degree angle.
Pythagorean Triplets
  • {3, 4, 5}
  • {5, 12, 13}
  • {8, 15,17}
  • {7, 24, 25}
45-45-90
x-x-sqrt2
30-60-90
1-3-sqrt2
Area of Equilateral Triangle
Double of the area of 30-60-90



A=(S)(sqrt3)/(4) OR (1/2)(2S)(S)(sqrt3)
Properties of a Quadrilateral
  • Shape with 4 line-segment sides
  • Sum of internal angles is 360
  • Have exactly two diagonals.
Properties of Parallelograms
  • Opposite sides of parallel
  • Opposite sides are equal
  • Opposites angles are equal
  • Diagonals bisect each other
Properties of Rhombuses
  • All four sides are equal
  • Diagonals are perpendiculars
Properties of Rectangles
  • Quadrillateral with four 90 degree angles
  • Are parallelograms

    1. Opposite sides of parallel

2. Opposite sides are equal
3. Opposites angles are equal
4. Diagonals bisect each other
Properties of Squares
  • Is a rectangle
  • Is a rhombus
    1. All four sides are equal
    2. Diagonals are perpendiculars
  • Are parallelograms
    1. Opposite sides of parallel
    2. Opposite sides are equal
    3. Opposites angles are equal
    4. Diagonals bisect each other
Properties of Trapezoids
Has one pair of parallel sides
Area of a Square
S^2
Area of a Rectangle
bh
Area of a Trapezoid
((b1 + b2)/2)(h)
Angles in Polygons
(n-2)(180)
n is the number of sides
Circumferance of a Circle
2(pi)r OR (pi)d
Area of a Circle
((pi)r)^2
Volume of a Cube
S^3
Surface area of Cube
6(S^2)
Volume of a Rectangle
hwd
Surface are of a Rectangle
((hw)+(hd)+(wd))*(2)
Space of a Diagonal in a Rectangle Diagonal
(sqrt3)(S)
Volume of a Cylinder
(pi)(r^2)(h)
Surface Angle of a Cylinder
((pi)(r^2)+(2)(pi)(r)(H)