Geometry Vocab Semester 1

Front

What is the definition of a midpoint?

Back

The point right in between two other points.

Front

Which formula is used to calculate the distance between two points?

Back

Distance = √((x₂ - x₁)² + (y₂ - y₁)²)

Front

What does ASA stand for in geometry?

Back

Angle-Side-Angle.

Front

What is a segment?

Back

Part of a line with two endpoints.

Front

What does HL stand for in geometry?

Back

Hypotenuse-Leg.

Front

What is the definition of a line?

Back

A straight path that extends infinitely in both directions.

Front

What is a ray?

Back

A part of a line that has one endpoint and extends infinitely in one direction.

Front

What is the definition of an angle?

Back

A figure formed by two rays with a common endpoint called the vertex.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the definition of complementary angles?

Back

Two angles that add up to 90 degrees.