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Perimeter Formulas:
  
   
Scalene Triangle
P = a+b+c
Isosceles Triangle
P=2a + b
Equilateral Triangle
P= 3s
Quadrilatal
P = a + b + c + d
Rectange
P = 2l + 2w
Square
P = 4s
Circle
C = (pi)(d) = 2(pi)(r)
   
 
   
Area Formulas:
  
   
Rectangle
A = lw
Square
A = lw or A = s2
Parallelogram
A = bh
Triangle
A = (1/2)bh
Trapezoid
A = (1/2)h (b1+b2)
Circle
A = (pi)r2
Cube
A=6e2
   
   
Volume Formulas:
  
   
Cylinder
V = Bh
Rectangular Solid
V = lwh
Cube
V = e3
Circular Cylinder
V = (pi)(h)r2
Pyramid
V = (1/3) Bh
Cone
V = (1/3) Bh or (1/3) (pi)r2h
Sphere
V = (4/3)(pi)r3
   
Other Formulas:
Distance = Rate x Time
Interest = Principal x Rate x Time
   
General quadriatic equation:
  
 
f(x)=ax2+bx+c=0
  
   
Quadriatic Formula: (2 forms of x)
x=((-b+(b2-4ac))1/2 )/2
x=((-b-(b2-4ac))1/2 )/2