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15 Cards in this Set

  • Front
  • Back
I have 4 equal sides
and 4 right angles.
square
I have 4 sides. The opposite sides are equal. I have 4 right angles.
rectangle
I am a closed shape with no sides.
circle
I have 4 equal side. I have no right angles.
rhombus
I am a line with one point and go on forever in the opposite direction.
ray
I am a line that goes on forever in both directions.
line
I am only a part of a line.
line segment.
Lines that cross each other are this type of lines.
intersecting
Lines that form right angles are _______.
perpendicular
When two lines meet a ______
is formed.
angle
To measure a shape's perimeter you --
Add all the sides.
I am a 90 degree angle
right
I am an angle greater than 90 degrees.
Obtuse
I am an angle less than 90 degrees.
acute
To find the area of a shape, you ---
multiply opposite sides.