# Magnitudes 64704

The triangle ABC determines the size of the sides a and b and the magnitudes of the interior angles β and γ, given c = 1.86 m, the line on the side c is 2.12 m, and the angle alpha is 40 ° 12 '.

### Correct answer:

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

**algebra**- quadratic equation
- equation
**arithmetic**- square root
**planimetrics**- Pythagorean theorem
- triangle
- The Law of Cosines
- The Law of Sines
**basic functions**- percentages
**numbers**- fractions
**goniometry and trigonometry**- sine
- cosine
- arccosine

#### Units of physical quantities:

#### Grade of the word problem:

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