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
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

image

Play button

image

Play button

image

Progress

1/43

Click to flip

43 Cards in this Set

  • Front
  • Back
right angle
a 90 degree angle (the size of the corner of a sheet of paper)
cube
a special solid with 6 faces
A polygon with 5 sides
pentagon
faces
A flat polygon or the sides of a solid.
scalene triangle
all sides and angles of the triangle are different
width
How wide a figure is
vertices
3 or more lines that meet at a point.
height
how tall an object is
equilateral triangle
all 3 sides and angles are the same
Three Dimensional Figures
Solid figures that have height, width, and depth
plane
all the points that form a flat surface
length
how far back an object goes
intersecting lines
lines that meet or cross each other
pi
3.14, the ratio of the circumference of a cicle to the length of its diameter
A polygon with 6 sides
hexagon
rectangular prism
a solid
point
an exact location and shows where something stops
width
How wide a 3D figure is
edges
when 2 faces meet they form an edge.
perpendicular
lines that intersect and form square corners (straight up and down)
A polygon with 7 sides
heptagon
acute angle
an angle less than 90 degrees (smaller than the corner of a sheet of paper)
A polygon with 8 sides
octagon
quadrilateral
any shape that has 4 sides
a polygon with 9 sides
nonagon
ray
part of a line that has 1 endpoint
A polygon with 10 sides
decagon
line
a straight path that goes on forever in both directions
flip
to turn a figure over or change its position
isosceles triangle
triangle in which 2 sides are the same
diameter
a chord that passes through the center of the circle
parallel lines
2 lines that run side by side and never cross each other
slide
to move a figure without changing its size or shape
obtuse angle
greater than 90 degrees (larger than the corner of a piece of paper)
turn
to rotate a figure around a vertex (POSITION CHANGED, SIZE AND SHAPE DO NOT)
line segment
part of a line and it has 2 endpoints
degree
the unit name for measuring angles
polygon
is a closed figure
chord
a line that connects 2 points on the circle
triangle
has 3 sides and 3 angles
congruent
figures that have the same shape and size
radius
A line segment that connects the center with a point on the circle
prism
a solid figure that has 2 congruent faces