math formulas Flashcards
memorization
area of a rectangle
LW
area of a circle
PIE (R)SQUARED
Perimeter of a rectangle
2L+2W
Area of a square
S SQUARED
Area of a triangle
1/2BH
area of a trapezoid
1/2(b1+b2)h
area of a parallelogram
BH
perimeter of a square
4S
Circumfrence of a cricel
PIE D
Surface area of a cube
6S SQUARED
Surface area of a sphere
4 PIE R SQUARED
surface area of a rectangular prism
PH+2LW
SURFACE AREA OF ANY PRISM (General)
LA+2B
Surface area of a triangular prism
ph+2(1/2bh)
Surface area of a cylinder
PIE D H + 2 PIE R SQUARED
Surface area of a square pyramid
N(1/2bl)+s squared
surface area of any pyramid.
LA+B THEN N(1/2bl)+X
Surface area of a triangular pyramid
N(1/2bl)+1/2BH
Volume of any cone or pyramid
1/3bh
hypotenuse
a squared + b squared = c squared
volume of any prisms
ph
volume of rectangular prisms
LW(H)
volume of triangular prism
1/2bh(L)
volume of a cylinder
PIE R squared (h)
volume of a square pyramid
1/3(S SQUARED)H
volume of a triangular pyramid
1/3(1/2BH)H
Volume of a cube
4s(h)
volume of a sphere
4/3 PIE R CUBED
Surface area of a cone
PIE R L + PIE R SQUARED