Find the consumption of sheet metal for the gutter construction. It is necessary to add 7% of the material to the joints. The length of the gutter is 2 m, and the diameter of the gutter is 0.4 m. Calculate the surface area of this cone. You can only buy whole square meters.īlock area: S = 376 cm² the sides are in the ratio a: b: c = 3: 4: 5 calculate its volumeįind the surface of the cuboid if its edges have the dimensions a, 2/3a, and 2a. How much will we pay for wrapping 5 boxes in the shape of a cube with a side length of 80 cm if we count on a margin of 35% for folds? The price for 1 square meter of paper is €2.55. What is the volume of this box?Ĭalculate the surface and volume of a truncated rotating cone with base radii of 8 cm and 4 cm and a height of 5 cm.Ĭalculate the surface and volume of the cut rotating cone with base radii of 14cm and 8cm height of 11cm.Ĭalculate how much sheet metal is needed to make a closed block-shaped container with dimensions of 2 m, 7 m, and 9 m if we must add 12% to the welds.
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