This is aligned with the following California State Standards:
Recognize attributes or characteristics of an object, such as color, orientation, length, width, and weight.
Recognize a point as a precise location on a plane or in space, usually represented by a dot. Recognize a ray as a part of a line that begins at one point and extends infinitely in one direction. Recognize a line as a straight line that extends infinitely in two directions.
Recognize an angle as a figure formed by two rays sharing one endpoint.
Recognize an acute, obtuse, or right angle.
Compare the measure of an angle to the measure of a right angle, and communicate whether the measure of the angle is greater than, less than, or congruent to the measure of the right angle.