• 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
Reading...
Front

### 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

Progress

1/61

Click to flip

### 61 Cards in this Set

• Front
• Back
 What is a line? a set of points that form a straight path that goes on forever in both diresctions what is a line segment? a part of a line that connect two end points what is a point? an exact location in a plane, in space, or in a graph what is a ray? a part line that has one end point and that continues in one diresction without end what is polygon? a clsoed figure that can be drawn without lifting up your pencil, made up of line segments that do not cross each other what is a triangle? three sides what is an quadrilateral? four sides what is a pentegon? five sides what is a hexagon? six sides what is a heptagon? seven sides what is an octagon? eight sides what is an nonagon nine sides what is a decagon? ten sides what is congruent? same sizes and shapes what is intersecting lines? cross each other What is a line? a set of points that form a straight path that goes on forever in both diresctions what is a line segment? a part of a line that connect two end points what is a point? an exact location in a plane, in space, or in a graph what is a ray? a part line that has one end point and that continues in one diresction without end what is polygon? a clsoed figure that can be drawn without lifting up your pencil, made up of line segments that do not cross each other what is a triangle? three sides what is an quadrilateral? four sides what is a pentegon? five sides what is a hexagon? six sides what is a heptagon? seven sides what is an octagon? eight sides what is an nonagon nine sides what is a decagon? ten sides what is congruent? same sizes and shapes what is intersecting lines? cross each other What is a line? a set of points that form a straight path that goes on forever in both diresctions what is a line segment? a part of a line that connect two end points what is a point? an exact location in a plane, in space, or in a graph what is a ray? a part line that has one end point and that continues in one diresction without end what is polygon? a clsoed figure that can be drawn without lifting up your pencil, made up of line segments that do not cross each other what is a triangle? three sides what is an quadrilateral? four sides what is a pentegon? five sides what is a hexagon? six sides what is a heptagon? seven sides what is an octagon? eight sides what is an nonagon nine sides what is a decagon? ten sides what is congruent? same sizes and shapes what is intersecting lines? cross each other what is congruent? same sizes and shapes what is intersecting lines? cross each other what is a parallel line? line that never intersect and go in the same direction what is perpendicular lines? cross at right angles what is an angle? an angle is a figure formed by two rays or line segments with the same end points what is a vertex? the point where two rays or line segments meet at an angle what is an acute angle? an angle with a measure of less than 90 degrees what is an obtuse angle? an angle with a measure greater than 90 and less than 180 degrees what is a right angle? an angle with a measure of 90 degrees what is a straight angle? when an angle measures 180 degrees what is an equalateral triangle? a triangle with three congruent sides what is an isosceles triangle? a triangle with at least two sides of the same lengths what is a scalene triangle? a triangle in which no two sides are congruent what is a right triangle? a triangle with one right angle what is an acute triangle? a triangle with three acute angles what is an obtuse triangle? a triangle with one obtuse angle