Lines
Two lines that are the same distance apart and will never touch.
Parallel Lines.
Right Angle.
A polygon with 4 sides.
Quadrilateral.
A triangles with 3 congruent sides.
Equilateral Triangle.
The number of sides a quadrilateral has.
4
Two lines that intersect at a right angles.
Perpendicular Lines.
An angle that is less than 90 degrees.
Acute Angle.
A polygon with 8 sides.
Octagon.
A triangle with two congruent sides.
Isosceles Triangle.
A quadrilateral with two pairs of parallel sides.
Parallelogram.
Two lines that cross each other.
Intersecting Lines.
An angle that is more than 90 degrees.
Obtuse Angle.
A polygon with 5 sides.
Pentagon
A triangle with no congruent sides.
Scalene Triangle.
A quadrilateral with two pairs of perpendicular lines.
Rectangle.
How many pairs of perpendicular lines does a rectangle have?
How many angles does a pentagon have?
Five angles.
A polygon with 6 sides.
Hexagon.
All equilateral triangles are also ________ triangles.
Acute.
A quadrilateral with one pair of parallel sides.
Trapezoid.
Four pairs.
What kind of angles does an equilateral triangle have?
Acute angles.
A polygon with 7 sides.
Septagon.
A triangle with no congruent sides and an angle greater than 90 degrees.
Obtuse, Scalene Triangle.
A quadrilateral with four congruent sides.
Rhombus.