Naming Triangles and Angles

Front

What is the name of the angle formed by points L, K, and M?

Back

∠KLM

Front

Which point is the vertex of the angle formed by points S, R, and Q?

Back

R

Front

How is the angle formed by points A, B, and C written?

Back

∠ABC

Front

What term best describes the figure formed by points R, S, and T?

Back

Angle RST

Front

What is the correct name for the angle marked as \(\angle 3\)?

Back

\(\angle JVI\)

Front

Define an angle in geometry.

Back

An angle is formed by two rays with a common endpoint called the vertex.

Front

What are the three types of angles based on their measures?

Back

Acute (< 90°), Right (= 90°), Obtuse (> 90° and < 180°).

Front

What is the sum of the angles in a triangle?

Back

180°.

Front

How do you name an angle using its vertex?

Back

An angle can be named using its vertex and any two points on the rays, e.g., ∠ABC.

Front

What is a vertex in the context of angles?

Back

A vertex is the point where two rays meet to form an angle.