Basic Geometry

Front

What is a point in geometry?

Back

An exact location in space with no length or width.

Front

What is a ray?

Back

Part of a line that has one endpoint and continues forever in one direction.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is a line?

Back

A straight path that extends infinitely in both directions.

Front

Write an equation that models the lengths: 2x + 20 + 9 = x + 21

Back

This equation represents the relationship between the lengths.

Front

If DF=9x-39, find EF when DF=58.

Back

EF = 58.

Front

Solve for x: 2x + 20 + 9 = x + 21

Back

x = 5.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

What is the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.