# Airport's 80482

The plane flew from airport m on a course of 132° to airport n, then from n to p on a course of 235°. The distance between the airport's mn is 380 km, np 284 km. What will be the return course to m, and what is the distance between the airport's pm?

### Correct answer:

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

**arithmetic**- square root
**planimetrics**- Pythagorean theorem
- area of a shape
- triangle
- The Law of Cosines
- The Law of Sines
**basic functions**- percentages
**goniometry and trigonometry**- cosine
- arccosine

#### Units of physical quantities:

#### Grade of the word problem:

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