# Road

Between cities A and B is a route 9 km long of average 9‰ klesanie. Calculate the height difference between cities A and B.

## 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:

**planimetrics**- right triangle
- triangle
**basic functions**- per mil
**goniometry and trigonometry**- sine
- tangent
- arctangent

### Units of physical quantities:

### Grade of the word problem:

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