66
It is not possible to answer the question without knowing whether the patio is 11 ft x 10 ft or 11 yards *10 yards etc.
Where are 12 inch concrete blocks applied?
All things being equal; a bag of cement would lay 100 pieces of 5 inch blocks.
158 of them. Get extra for breakage.
66
It depends on your climate and what the patio cover is made of.
78.47 Pavers
46 bricks; add a few more for waste and cutting
In a perfect world, 225 will do it. In real life, better buy about 300
81
19 1/2 tiles plus you want to add 10% for waste
297 16x16-inch tiles.
18 10x10-inch tiles.
One hundred and thrirty five
49 plus ten percent for breakage. Get 54.
You'll need 81 16 by 16 inch blocks.12 ft = 144 in144 in * 144 in = 20736 in216 in * 16 in = 256 in220736 in2 / 256 in2 = 81