Calculate Perimeter & Centerline Perimeter Flashcards
Formula Perimeter Equilateral Triangle
P =3xL
Formula Perimeter Equilateral Square
P =4xL
Formula Perimeter Equilateral Pentagon
P =5xL
Formula Perimeter Equilateral Hexagon
P =6xL
Formula Perimeter Equilateral Octagon
P =8xL
Formula Perimeter Rectangular
P = 2 (L+W)
Formula Perimeter Parallelogram
P = 2 (a+b)
Formula Perimeter Triangle
P = a+b+c
Formula Perimeter (Circumference) Circle
Pie x Diameter or (2 x Radius)
Perimeter Other Shapes
Add dimensions around outside building
Formula Perimeter Trapezoid
P= a+b+c+d
Outside & Inside Perimeter
Calculate seperately then add together
Rectangular Shapes with Internal Jogs
P = 2(L+W) + (2 Times smallest jog)
Formula Centerline (Average) Perimeter
CLP = 2(L+W) - 4(Foundation Thickness)
How to calculate Combination Shapes
Separate shapes, calculate areas then add together