True or False?
All parallelograms are quadrilaterals.
True! In order to have 2 sets of parallel lines, a shape MUST have 4 sides.
True or False?
A circle is classified as a polygon.
False! A circle does not have straight lines, so it is not a polygon.
True or False?
A rhombus does not need to have 4 congruent sides
False! A rhombus has 4 congruent sides!
True or False?
A trapezoid is also a parallelogram
False! A trapezoid only has 1 set of parallel lines
True or False?
A square has two different types of angles
False! A square only has right angles
True or False?
Squares are rhombuses but not rectangles
False! A square is a rectangle with four congruent sides
Which 2 shapes always have 4 congruent sides?
Square and Rhombus
What do we call a shape with 4 sides?
Quadrilateral
Name the shape that has one set of parallel lines
Trapezoid
What attribute does a square have that a rhombus does not?
4 right angles
Can a trapezoid be classified as a polygon?
Yes!
True or False?
A rectangle is also trapezoid.
False! All of a rectangle's opposite sides are parallel, so it cannot be a trapezoid.
What does congruent mean?
Equal or the same
What does parallel mean?
Two lines that never intersect
How many degrees is a right angle?
90 degrees
True or False?
An obtuse angle is less than 90 degrees
False! It is MORE than 90 degrees
True or False?
An acute angle is less than 90 degrees
True!
A square has what type of angles?
Right!
True or False?
A rectangle has 2 acute angles and 2 obtuse angles
False! It has 4 right angles
True or False?
A rectangle must have 4 congruent sides
False!
True or False?
A trapezoid has the most attributes out of all the quadrilaterals
False! A square has the most attributes
Name this shape:
4 congruent sides
4 right angles
2 sets of parallel lines
Square!
Name this shape based on these attributes:
Polygon
Quadrilateral
Parallelogram
4 right angles
Rectangle!
Name that shape!
Quadrilateral
2 sets of parallel lines
Parallelogram!
Name that shape!
Quadrilateral
Parallelogram
4 congruent sides
Rhombus!