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360

Number of degrees in a circle

180

Number of degrees in a straight line

1/2**b**h

area of a triange

two equal sides, two equal angles

an isosceles triangle has...

b*h

area of a parallelogram

pi*r^2

area of a circle

2**pi**r

circumference of a circle

(x,y)

coordinates are listed as...

l**w**h

volume of a rectangular solid

s^3

volume of a cube

pi**r^2**h

volume of a cylinder

x-xroot3-2x

30-60-90 triangle

x-x-xroot2

45-45-90 triangle

a^2+b^2=c^2

pythagorean theorem

30-60-90

x-x√3-2x triangle

45-45-90

x-x-x√2

180(n-2)

sum of interior angles of a polygon where n= number of sides