# Leg and height

Solve right triangle with height v = 7.8 m and shorter cathetus b = 15 m.

## Correct answer:

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### You need to know the following knowledge to solve this word math problem:

**algebra**- equation
**arithmetic**- square root
**planimetrics**- Pythagorean theorem
- right triangle
- triangle
- The right triangle altitude theorem
**basic functions**- percentages

### Units of physical quantities:

### Grade of the word problem:

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