Geometry Vocabulary

Front

What is the definition of a point in geometry?

Back

A point is a precise location or position in space, typically represented by a dot.

Front

What is the definition of a line segment?

Back

A line segment is a part of a line that is bounded by two distinct endpoints.

Front

What is the definition of a ray?

Back

A ray is a part of a line that starts at a point and extends infinitely in one direction.

Front

What is the definition of an angle?

Back

An angle is formed by two rays that share a common endpoint, called the vertex.

Front

What are complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

What is the definition of a triangle?

Back

A triangle is a polygon with three edges and three vertices.

Front

What is the Pythagorean theorem?

Back

The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.

Front

What is the formula for the area of a rectangle?

Back

The area of a rectangle is calculated as Area = length × width.

Front

What is the formula for the circumference of a circle?

Back

The circumference of a circle is calculated as C = 2πr, where r is the radius.