# Designated 71874

The patrol had started at a designated marching angle (an azimuth) of 13°. After 9 km, the azimuth's angle changed to 62°. The patrol went 10 km in this direction. Find the distance from where the patrol started.

## Correct answer:

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Do you want to convert length units?

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See also our trigonometric triangle calculator.

Try conversion angle units angle degrees, minutes, seconds, radians, grads.

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

**geometry**- vector
**arithmetic**- square root
- addition
**planimetrics**- triangle
- The Law of Cosines
- The Law of Sines
**goniometry and trigonometry**- sine
- cosine

#### Units of physical quantities:

#### Themes, topics:

#### Grade of the word problem:

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