The conical roof
The conical roof above the warehouse has a diameter of the lower part (base) d = 11.2 m and a height v = 3.3 m. How many rectangular steel plates with dimensions of 1.4 m and 0.9 m were needed to produce this roof if the seams and waste required an increase in their consumption by 10 percent?
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You need to know the following knowledge to solve this word math problem:
- solid geometry
- surface area
- area of a shape
- basic functions
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