Angles Flashcards
What is the definition of a point?
A point has no length, no width, and no height, but does have a location.
Usualy denoted by a capital letter (e.g. Point A)
What is an acute angle?
An angle between between 0 and 90 degrees
Whats the definition of a ray?
a part of a line with one endpoint. A ray extends indefinitely in one direction.
Think of the sun’s rays: they start at the sun and go on indefinitely.
What is the definition of a Angle?
is formed by two rays with a common endpoint. Each ray is called
an arm of the angle. The common endpoint is called the vertex of the angle. The
measure of an angle is a number representing the spread of the two arms or
sides of the angle.
Whats the definition of a line?
has no beginning point or end point. Imagine it continues indefinitely in two directions.We can illustrate that by little arrows on both ends.
Whats the definition of a line segment?
a piece of a line with two endpoints.