Parallel, Perpendicular, or Intersecting
Name that Quadrilateral
Angles, Angles, Angles
Lines, Segments, or Rays
Classifying Triangles
100
<--------------------> <-------------------->
What is parallel lines
100
4 sides with 2 pairs of opposite sides parallel
What is a parallelogram
100
Larger than 90 degrees but smaller than 180 degrees
What is obtuse
100
Two end points
What is a line segment
100
A triangle with 2 sides of equal length
What is isosceles
200
Crossing
What is intersecting
200
4 sides with 2 pairs of opposite sides parallel, 4 right angles, and 4 equal sides
What is a square
200
Larger than 0 degrees but smaller than 90 degrees
What is acute
200
One end point
What is a ray
200
A triangle with 1 obtuse angle and 2 acute angles
What is an obtuse triangle
300
Intersecting at 90 degree angles
What is perpendicular
300
4 sides with exactly 1 pair of opposite sides parallel
What is a trapezoid
300
90 degrees
What is a right angle
300
No end points
What is a line
300
A triangle with 3 equal sides
What is an equilateral triangle
400
Lines running side by side, always the same distance apart
What is parallel lines
400
4 sides with 2 pairs of opposite sides parallel and 4 right angles
What is a rectangle
400
180 degrees
What is a straight angle
400
A beginning and end
What is a line segment
400
A triangle with 3 acute angles
What is an acute triangle
500
The letter L
What is perpendicular
500
4 sides with 2 pairs of opposite sides parallel and 4 equal sides
What is a rhombus
500
360 degrees
What is a circle
500
Goes on forever in both directions
What is a line
500
A triangle with no equal sides
What is a scalene triangle
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