Octagonal tank
The tank has the shape of a regular octagonal prism without an upper base. The base edge has a = 3m, and the side edge b = 6m. How much metal sheet is needed to build the tank? Do not think about losses or sheet thickness.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- expression of a variable from the formula
- solid geometry
- surface area
- prism
- planimetrics
- Pythagorean theorem
- right triangle
- polygon
- area of a shape
- triangle
Units of physical quantities:
Grade of the word problem:
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