# Calculate 73704

A vertical regular 3-sided pyramid is given. The side of the base a = 5cm, and the height is 8 cm. Calculate the volume and area.

### 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
**arithmetic**- square root
**solid geometry**- pyramid
- surface area
**planimetrics**- Pythagorean theorem
- area of a shape
**numbers**- fractions

#### Units of physical quantities:

#### Grade of the word problem:

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