20*5 = 100 square feet.
bullentin board is 3 feet, chalk board is 4 feet,
If you have a board that is 1 by 12 inches that is 10 foot long you will have 10 inches of board feet. This a math problem.
170
Board feet can be determined when you have 3 dimensions for the board, but not with just two.
There are 3 feet to a yard. So you get 20 feet by 15 feet gives you 300 square feet.
About 288.17 square feet.
20*5 = 100 square feet.
9
bullentin board is 3 feet, chalk board is 4 feet,
40 board feet
If you have a board that is 1 by 12 inches that is 10 foot long you will have 10 inches of board feet. This a math problem.
170
13 times 20 = 260 square feet
5 1/3 Board Feet.
8 square feet.
8.25 square feet.