33
Int(29*13/5) = int(377/5) = int(75.4) = 75
There are 12 possible pentominoes, but only 1 has "one square in each row".
There are 29 distinct pentominoes in three dimensions. 5 pairs of them are mirror images and can be rotated in 4-space to be considered the same. There is one 4D pentomino that cannot be built in 3D for a total of 24 4D pentominoes.
The character who plays with pentominoes in Chasing Vermeer is Calder Pillay. Pentominoes are a key element in solving the mystery in the book.
There are 18 if you count mirror images as distinct; 12 otherwise.
Pentominoes are 12 shapes made up of 5 squares !If you rotate or move them they do NOT count as a different pentominoe!
13' x 13' (169 square feet) = 18.77 square yards. (divide square feet by 9 to get square yards)
If mean how many square feet are in 13 feet by 25 feet, then the answer is 325 square feet. (13 x 25 = 325)
It is 132 or 169 square feet.
12
12 x 13 = 156 square feet.
13 acres is 566,280 square feet.