# Calculate 81936

The volume of the block is 7,500 dm

^{3}. The lengths of the edges are in the ratio 3: 4: 5. Calculate the surface area of the cuboid.## 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**- cuboid
- body volume
- surface area
**planimetrics**- area of a shape
**basic functions**- ratio

### Units of physical quantities:

### Grade of the word problem:

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