# Hexagonal pyramid

Calculate the surface area of a regular hexagonal pyramid with a base inscribed in a circle with a radius of 8 cm and a height of 20 cm.

## 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**- pyramid
- surface area
**planimetrics**- Pythagorean theorem
- right triangle
- circle
- polygon
- area of a shape
- triangle

### Units of physical quantities:

### Grade of the word problem:

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