Study your flashcards anywhere!
Download the official Cram app for free >
 Shuffle
Toggle OnToggle Off
 Alphabetize
Toggle OnToggle Off
 Front First
Toggle OnToggle Off
 Both Sides
Toggle OnToggle Off
 Read
Toggle OnToggle Off
How to study your flashcards.
Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key
Up/Down arrow keys: Flip the card between the front and back.down keyup key
H key: Show hint (3rd side).h key
A key: Read text to speech.a key
15 Cards in this Set
 Front
 Back
The mirro image produced by flipping a figure over a line is called a _____________________.

reflection


__________________ angles have measures equal to 180 degrees.

straight


Any polygon with four sides and four angles is a ___________________________.

quadrilateral


_______________ angles are two angles that have the same vertex, share a common side, and do not overlap.

vertical


A line that intersects two or more other lines is call a _____________________.

transversal


A figure has a ___________________________ if it can be folded over a line so that one half matches the other half.

line of symmetry


A ______________________ is the movement of a figure from one position to another without turning it.

translation


A parallelogram with four congruent sides is called a _____________________.

rhombus


An ______________ triangle has three acute angles.

acute


The sum of the measures of ______________________ angles is 90 degrees.

complementary


_______________________ are angles in the same position on two parallel lines that are cut by a transversal.

corresponding angles


____________________ is a property where a figure is rotated less than 360 degrees about its center so that it looks exactly like the original figure.

rotational symmetry


_________________ are angles on opposite sides of the transversal and inside the other two lines which are congruent.

alternate interior angles


________________ are angles on opposite sides of the transversal and outside the other two lines which are congruent.

alternate exterior angles


A __________________ is a quadrilateral with one pair of parallel opposite sides.

trapezoid
