# Triangles

Ivo wants to draw all the triangles whose two sides of which have a length of 4 cm and 9 cm, and the length of the third side is expressed in whole centimeters. How many triangles does he have?

### Correct answer:

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

**algebra**- inequalities
- sets
**arithmetic**- comparing
**planimetrics**- triangle
- triangle inequality
**basic functions**- reason
**numbers**- integers
- natural numbers

#### Units of physical quantities:

#### Themes, topics:

#### Grade of the word problem:

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