Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle 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


Play button


Play button




Click to flip

19 Cards in this Set

  • Front
  • Back
A line that intersects two coplanar lines at two distinct points.
Nonadjacent interior angles that lie on opposite sides of the transversal
Alternate interior angles
Same-side angles that lie on the same side of the transversal t and between e and m.
Same-side interior angles
Angles that lie on the same side of the transversal t and in corresponding positions relative to e and m
Corresponding angles
A proof where arrows show the logical connections between the state ments.
Flow proof
All triangle with three congruent sides
equilateral triangle
a triangle in which all three angles are acute
acute triangle
A triangle with no congruent sides
scalene triangle
A triangle with one right angle
right triangle
A triangle that has one obtuse angle
obtuse triangle
A triangle with two congruent sides
isosceles triangle
An angle formed by a side and an extension of an adjacent side
exterior angle of a polygon
Two adjacent interior angles corresponding to each exterior angle of a triangle
remote interior angles
A closed plane figure with at least three sides that are segments
A polygon that has no diagonal with points outside the polygon
convex polygon
A polygon that has at least one diagonal with points outside the polygon.
concave polygon
A polygon where all sides are congruent
equilateral polygon
a polygon where all angles are dongurent
equiangular polygon
A polygon that is both equilateral and equiangular
regular polygon