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first we find the surface area of a the slab.

formula for surface area of cuboid( the slab) is = 2(lw+wh+hl)

length= 10 feet= 10/3 yard

width= 10 feet= 10/3 yard

height = 3 inch = 3/12 feet = 1/12 yard

therefore surface area= 2 (10/3 * 10/3 + 10/3*1/12 + 1/12*10/3)

= 2( 100/9 + 10/36 + 10/36)

= 2 (400 + 10 + 10 /36)

= 2 (420/36)

= 420/ 18

~ 23.33 yard square.

Q: How many yards of concrete you will need for a 10 foot by 10 foot by 3 inch slab?

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If you multiply that out, you'll get cubic units. It doesn't make sense to convert that to yards.

You can't express a volume of concrete in yards.

How many cubic yards in an 12 foot diameter circle with a 4 inch thickness?

45 ft.sq

4.074 cubic yards for every foot the slab is thick.

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If you multiply that out, you'll get cubic units. It doesn't make sense to convert that to yards.

You can't express a volume of concrete in yards.

To calculate the amount of concrete needed for a 900 square foot area, you first need to determine the thickness of the concrete slab. Once you have the thickness in inches, divide it by 36 to convert to yards. Then divide the total cubic yards by the number of cubic yards in a concrete truck to determine how many truckloads you need.

532.4074 yards of concrete, round up to 533 yards.

10 cubic yards for every 1 foot of height.

(22*6)/2 =66 qubic ft

A 29 foot by 11 foot by 1 inch depth requires about 1 cubic yard of cement. If the depth is one foot, you will need about 12 cubic yards.

How many cubic yards in an 12 foot diameter circle with a 4 inch thickness?

45 ft.sq

2.2469 cubic yards for each inch of depth.

A 14'x14'x4" inch slab will require 2.42 cubic yards of cement.

4.074 cubic yards for every foot the slab is thick.