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24 Cards in this Set

  • Front
  • Back
I am the calibrated tool used to measure the degrees of an angle.

What am I?
I am a protractor.
I am the common origin of the two rays that form an angle.

What am I?
I am the vertex of an angle.
We are the two nonadjacent angles, equal in measure, that lie on the same side of the transversal.

What are we?
We are corresponding angles.
We are two nonadjacent interior angles that lie on opposite sides of the transversal.

What are we?
We are alternate exterior angles.
I am the line that intersects two or more staight lines at different angles.

What am I?
I am a transversal line.
We are two nonadjacent exterior angles that lie on opposite sides of the transversal.

What are we?
We are alternate exterior angles.
We are two opposite nonadjacent angles formed by two intersecting straight lines.

What are we?
We are vertical angles.
I am an angle form by one complete rotation of a ray around its origin. My size measures exactly 360 degrees.

What am I?
I am a whole angle.
We are two angles that have the same vertex and a common side between them.

What are we?
We are adjacent angles.
We are two adjacent angles that together are exactly equal to a straight angle (180 degrees).

What are we?
We are supplementary angles.
We are the two opposite nonadjacent angles formed by two intersecting straight lines.

What are we?
We are vertical angles.
I am an angle that is larger than a straight anlge and smaller than a whole angle. My size measures more than 180 degrees, but less than 360 degrees.

What am I?
I am a reflex angle.
We are angles that contain the same number of degrees.

What are we?
We are congruent angles.
I am an angle whose sides extend in opposite direction from its vertex. My size measures exactly 180 degrees.

What am I?
I am a straight angle.
I am an angle which is exactly half of a straight angle. My size measures exactly 90 degrees.

What am I?
I am a right angle.
I am the measurement of the opening between the two rays of an angle. I am measured in degrees.

What am I?
I am the size of the angle.
We are two adjacent angles that are exactly equal to a right angle (90 degrees).

What are we?
We are complementary angles.
I am an angle that is smaller than a right angle. My size measures more than zero degree, but less than 90 degrees.

What am I?
I am an acute angle.
I am a figure formed by two rays that have a common endpoint.

What am I?
I am an angle.
We are the angles formed in the exterior region when two straight lines are cut by a transversal.

What are we?
We are exterior angles.
We are the two rays which form the angle.

What are we?
We are the sides of an angle.
I am the line that divides the angle into two equal parts.

What am I?
I am the bisector of an angle.
We are the angles formed in the interior region when two straight lines are cut by a transversal.

What are we?
We are interior angles.
I am an angle that is larger than a right angle and smaller than a straight angle. My size measure more than 90 degrees, but less than 180 degrees.

What am I?
I am an obtuse angle.