Geometry Flashcard Review (1.2, 1.3, 1.7)

Front

What is a point in geometry?

Back

A location in space that is represented by a dot and has no dimensions.

Front

What is the value of x if 2x + 6 = 16?

Back

x = 5.

Front

True or False: Two points are enough to define a line.

Back

True, two points are sufficient to form a line.

Front

If GH = 7y + 3, HI = 3y - 5, and GI = 9y + 7, what is the value of y?

Back

y = 9.

Front

Which of the following is not another name for plane P: BDA, AEB, CDE, BEC?

Back

BDA.

Front

What is a line in geometry?

Back

A straight one-dimensional figure that extends infinitely in both directions.

Front

Define a plane in geometry.

Back

A flat two-dimensional surface that extends infinitely in all directions.

Front

What does collinear mean?

Back

Points that lie on the same straight line.

Front

What is the formula for the distance between two points (x1, y1) and (x2, y2)?

Back

Distance = √((x2 - x1)² + (y2 - y1)²).

Front

What is the definition of an angle?

Back

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