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Continue Learning about Trigonometry

How many shingles will it covers of 3 plywood?

Please re-write so this is understandable.


If you were to travel through an angle of 8 degrees across the surface of the earth through how many kilometers would you have traveled?

It depends on your latitude. At the equator (0 degrees) a degree of longitude covers just over 111 km, so 8 degrees would be about 890 km. At 45 degrees of latitude, a degree of longitude covers just under 79 km, so 8 degress would be about 555 km. Check out the calculator in the related link. Enter the degrees of latitude and it gives the length of a degree at that point.


How many squares of shingles do you need to cover 648 ft roof?

To determine how many squares of shingles are needed to cover a 648 square foot roof, you divide the total area by the size of a square of shingles. One square of shingles covers 100 square feet. Therefore, you would need 648 ÷ 100 = 6.48 squares of shingles. Since you can't purchase a fraction of a square, you would need to round up to 7 squares.


How many bundles of shingles do you need for roof 40X24 with a pitch of 412?

30 bundles covers 1000sq, you have 960, but you need 4 more for all your end cuts and about 3 for ridge cap,if your using Architectural shingles you will need to buy ridge cap shingles, say 3 bundles. You will also want min 2 bundles extra to save in case of damage down the road. You should get 38 bundles keep 2 and return what you don't use.


How many squares of roof shingles do you need for a 600 ft roof?

When talking about the area of a roof, remember that it is not the same as the square footage of the structure. For example a 20 x 30' building with a 12" overhang and a 4/12 pitch will have 736 sq ft of roof vs only 600 sq ft of slab. One square of shingles covers 100 square feet. 15 year shingles come 3 bundles to a square. 25 year come 4 bundles to a square.