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20 Cards in this Set

  • Front
  • Back
What is an equalateral triangle?
a triangle with all sides are equal
What is a scalene triangle?
a triangle with no equal sides
What is an isosoles triangle?
a triangle with two equal sides
What is a vertex
a point where two sides meet
What is an acute angle?
an angle less than 90 degrees
What is an obtuse angle?
an angle that is more than 90 degrees but less that 180 degrees
What is a right angle?
an angle that is 90 degrees
What is a reflex angle?
an angle more than 180 degrees
What is a straight angle?
an angle that is 180 degrees exactly
How many degrees are there in a circle?
there are 360 degrees
How many degrees are there in a half circle?
there are 180 degrees in a half circle
What are congruent angles?
have the same angles in degrees
What are parallel lines?
lines that are always the same distance apart never touching
What makes angles supplementary?
if together they equal 180 degrees
What makes complementary angles?
if together they equal 90 degrees
What is a shape with 3 sides called?
triangle
What is a shape with 4 sides called?
quadralateral
What is a shape with 5 sides called?
pentagon
What is a shape with 6 sides called?
hexagon
What is a shape with 8 sides called?
octagon