Shapes
Triangle
A polygon with 3 sides and 3 angles
Obtuse Angle
An angle greater than a right angle
Rhombus
A polygon with 4 equal sides and 2 pairs of parallel lines
Ray
A line with one end point but continues in the other direction
Square
A polygon with 4 equal sides and 2 pairs of parallel sides with 4 right angles
hexagon
A polygon with 6 sides and 6 angles
Acute
An angle less than a right angle
Rectangle
A quadrilateral with 3 pairs of parallel sides, 4 right angles and two sets of sides same length Not a square
Intersecting Lines
Lines that cross
A square can be a rhombus, but a rhombus can't be a square
True or False
True
Pentagon
A polygon with 5 sides and 5 angles
Right Angle
90 degree angle corner of a square
Trapezoid
Quadrilateral with only one pair of parallel lines
Line Segment
A line with two endpoints
Octagon
Polygon with 8 sides and 8 angles
parallel lines
a set of lines that never cross
perpendicular lines
a set of lines that form a right angle