Angles
Angle that is less than 90 degrees is a ___ angle?
Acute Angle
Line with one endpoint at each end
line segment
4 sides, 2 pairs of parallel sides
Parallelogram
Does the heart shape have a line of symmetry? Would each side be completely the same if I cut it down the middle?
Yes
triangle with two sides the same length
Angle that is more than 90 degrees
Obtuse
Line with an arrow at each end showing it will go on forever
Line
4 sides, 2 pairs of opposite parallel sides, 4 right angles
Rectangle
would I lightening bolt have a line of symmetry if I cut it down the middle?
no
How many sides does a triangle have?
3
Angle that is 180 degrees
straight
line with one side having a endpoint and one side having an arrow. It only goes on forever in one direction.
4 sides, 2 pairs of parallel sides, 4 equal sides (hint: no right angles)
Rhombus/kite
Would a rectangle have a line of symmetry if I cut it down the middle? How many lines of symmetry could I give the rectangle?
Yes, 2
Triangle with all equal sides
Equilateral
acute
When two lines cross and make a 90 degree angle, this is a _______ line
perpendicular
4 sides, 2 pairs of parallel sides, 4 right angles, 4 equal sides
Square
How many lines of symmetry does a Triangle have?
1
What is the corners of a triangle called (hint: starts with a V)
Vertex
If I have a 155 degree angle, is it acute, obtuse, or right?
Obtuse
When two lines run side by side and never cross this is a ____ line
4 sides, 1 pair of parallel sides
Trapezoid
How many lines of symmetry does a circle have. (Hint: find all possible lines of symmetry)
Infinite.
Triangle with no sides equal in length
Scalene