The
following table is called a rafter table in the construction industry. The table is used by carpenters to
calculate the length of rafters if you know the slope of a roof.
Roof
Slope
|
Rafter
|
2
in 12
|
1.014
|
3
in 12
|
1.031
|
4
in 12
|
1.054
|
5
in 12
|
1.083
|
6
in 12
|
1.118
|
7
in 12
|
1.158
|
8
in 12
|
1.202
|
9
in 12
|
1.25
|
10
in 12
|
1.302
|
11
in 12
|
1.357
|
12
in 12
|
1.413
|
Mathematics:
Show the calculations used to generate the numbers in the second column.
Technical
Writing:
Write
out the process for using the rafter table.
Illustrate
your process with one example.
