Sides and Vertices
How many sides does a triangle have?
3 sides
What is a line of symmetry?
A line that splits a shape into two equal halves
What does congruent mean?
Same size and same shape
How many angles are in a square?
4
What are parallel lines?
Lines that never touch
How many vertices does a rectangle have?
4 vertices
How many lines of symmetry does a square have?
4
Can two shapes be congruent if they are flipped or rotated?
Yes
What is the name of angles that are smaller than right angles?
Acute angles
What are perpendicular lines?
Lines that intersect and form a right angle
What 2D shape has 6 sides?
Hexagon
Does a rectangle always have the same number of lines of symmetry as a square?
No
True or false: Two shapes must be in the same position to be congruent.
False
How many degrees is a right angle?
90 degrees
What shape has both parallel and perpendicular lines?
Rectangle or square
Name a shape with 4 right angles
Rectangle or Square
How many lines of symmetry does an equilateral triangle have?
1
What must match for two shapes to be congruent?
All sides and angles
What type of angle is bigger than 90° but less than 180°?
Obtuse angles
Name a shape with parallel lines
Ex: Parallelogram
What is the shape called that has 7 sides and 7 vertices?
Heptagon
How many lines of symmetry does a semi circle (half circle) have?
1
True or false? All squares are congruent.
False, they can be different sizes
What are all the angles in a regular octagon?
Obtuse angles
Give a real life example of perpendicular lines
Ex: Corners of a book, intersection of roads, window frame