# Right

Determine angles of the right triangle with the hypotenuse c and legs a, b, if: $3a+4b=4.9c$

### Correct answer:

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

**algebra**- quadratic equation
**planimetrics**- Pythagorean theorem
- right triangle
- triangle
**basic functions**- reason
**goniometry and trigonometry**- sine
- cosine
- tangent

#### Units of physical quantities:

#### Grade of the word problem:

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