# Three points

Three points A (-3;-5) B (9;-10) and C (2;k) . AB=AC

What is the value of k?

What is the value of k?

### Correct answer:

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

**geometry**- analytic geometry
- line segment
**arithmetic**- absolute value
**planimetrics**- Pythagorean theorem
- right triangle
- triangle

#### Units of physical quantities:

#### Grade of the word problem:

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