- 39 -
APPENDIX
Area Formulas
Circle
Triangle
Sphere
Cylinder
ab
2
r
a
b
r
I
r
p
r
2
4
p
r
2
2
p
r(r+I)
- 40 -
APPENDIX
Volume Formulas
Sphere
Cylinder
Cone
4
p
r
3
3
p
b
2
a
12
r
I
a
b
r
p
r
2
I
- 41 -
APPENDIX
Lumber Sizes
Normal Size
Actual Size (S4S)
1" x 2"
3/4" x 1 1/2"
1" x 3"
3/4" x 2 1/2"
1" x 4"
3/4" x 3 1/2"
1" x 6"
3/4" x 5 1/2"
1" x 8"
3/4" x 7 1/4"
1" x 10"
3/4" x 9 1/4"
1" x 12"
3/4" x 11 1/4"
2" x 2"
1 1/2" x 1 1/2"
2" x 3"
1 1/2" x 2 1/2"
2" x 4"
1 1/2" x 3 1/2"
2" x 6"
1 1/2" x 5 1/2"
2" x 8"
1 1/2" x 7 1/4"
2" x 10"
1 1/2" x 9 1/4"
2" x 12"
1 1/2" x 11 1/4"
4" x 4"
3 1/2" x 3 1/2"
4" x 6"
3 1/2" x 5 1/2"
4" x 8"
3 1/2" x 7 1/4"
4" x 10"
3 1/2" x 9 1/4"
4" x 12"
3 1/2" x 11 1/2"
