8th Grade Math: Unit 08 Flashcards

Front

Fill in the blank: ________ are two non-overlapping angles that share a common vertex and exactly one ray.

Back

adjacent angles

Front

Fill in the blank: ________ are two rays with a common endpoint (the vertex).

Back

angle

Front

Fill in the blank: The ________ states that if two angles in one triangle are congruent to two angles in another triangle, then the measures of the third angle in both triangles are congruent.

Back

angle-angle criterion for triangles

Front

Fill in the blank: ________ are the vertical and horizontal lines that act as a reference when plotting points on a coordinate plane.

Back

axes

Front

Fill in the blank: ________ are two angles whose degree measures have a sum of 90°. Options: complementary angles, supplementary angles, vertical angles, adjacent angles.

Back

complementary angles

Front

Fill in the blank: ________ are angles whose angle measurements are equal.

Back

congruent angles

Front

A ________ is a two-dimensional plane on which to plot points, lines, and curves.

Back

coordinate plane (coordinate grid)

Front

Fill in the blank: ________ are the set of positive numbers that begins at one and increases by increments of one each time {1, 2, 3, ..., n}.

Back

counting (natural) numbers

Front

A ________ is the measure of an angle where each degree represents 1/100 of a circle.

Back

degree

Front

Fill in the blank: ________ are angles that are outside of a triangle between one side of a triangle and the extension of the adjacent side.

Back

exterior angles of a triangle