This is a right-angled triangle $\triangle ABC$ with a right angle at $C$.

• $AB$ is the hypotenuse.
• $AC$ is the base.
• $BC$ is the height.

Would you like me to solve a specific problem related to this triangle, such as finding side lengths, angles, or applying the Pythagorean theorem?

Related Questions:

1. How can we use the Pythagorean theorem to find the missing side length?
2. What trigonometric ratios apply to this right triangle?
3. How can we determine the angles $\angle A$ and $\angle B$?
4. What are the properties of right-angled triangles?
5. How does this triangle relate to the concept of similar triangles?

Tip: In a right triangle, trigonometric functions like sine, cosine, and tangent are useful for finding unknown angles or sides.