# carpentry 1-calculating perimeter and centreline perimeter

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1. calculating the lengths of the sides when only the perimeter is known can only be done for?
equilateral shapes
2. what is the formula for perimeter of a rectangle?
p=(2L)+(2W)
3. what is the formula for perimeter of equilateral shapes?
• p=N×L
• where N=number of sides
4. what is the formula for perimeter of a parallelogram?
• p=(2×side a)+(2×side b)
• remember that side b is the same as 2 times side a
5. circumference of a circle is = to?
c=pi×D
6. Pi is equal to?
3.1416
7. radius is half the ___?
diameter c=2Pi r
8. perimeter of rectangular shape with external jogs can be calculated by?
using the total horizontal and vertical distances...begin  by finding the total length and width of the building then calculate the perimeter as if it were a rectangle
9. formula for rectangular shapes with internal jogs?
p=2(L+W)+(2×smallest jog)
10. centreline perimeter formula?
clp=2(L+W)-4(Foundation thickness)
 Author: heeres ID: 265845 Card Set: carpentry 1-calculating perimeter and centreline perimeter Updated: 2014-03-10 22:16:54 Tags: math Folders: carpentry math Description: carpentry 1-calculating perimeter and centreline perimeter Show Answers: