A quadrilateral with 4 equal sides and 4 right angles.
Square
True or False?
All quadrilaterals are polygons.
True - a polygon is any 2D shape formed with straight lines. This means that all quadrilaterals are polygons.
What is the fewest number of sides needed to make a polygon?
3
True or False- all quadrilaterals have parallel lines
False- not all quadrilaterals have parallel lines.
True or False: A polygon can have just 2 sides
False- the fewest sides that a polygon can have is 3!
A quadrilateral with opposite sides the same length and 4 right angles.
Rectangle (or square because a square is always a rectangle)
True or False?
All polygons are quadrilaterals.
False - A polygon is sometimes a square. Polygons can be other shapes such as triangles, pentagons, hexagons, heptagons, octagons, nonagons, or decagons.
Is the following figure a polygon?
Yes or no?
Yes - a polygon is any closed shape with straight lines.
True or false- parallel lines makes and x
False! Parallel lines never meet, they go one forever.
True or false: Is a trapezoid also a parallelogram, if it has at least one set of parallel lines.
True, it has two sets of parallel sides.
A quadrilateral with at least 1 pair of parallel sides.
Trapezoid
True or False?
A rectangle has 4 equal sides
False
How many right angles does a square have?
4
Which statement is true?
A) A parallelogram has 4 right angles.
B) A square have equal sides.
C) A rhombus has 4 right angles.
D) A rectangle has only 4 equal sides.
B) A square have equal sides.
True or false: Can a rhombus be a square?
True, if it has four right angles and equal sides.
A quadrilateral with 2 pairs of equal sides and no right angles.
Parallelogram
True or False?
A circle is a polygon.
False - a polygon is any closed shape with straight lines.
A triangle with three different side lengths.
Scalene triangle
A four sided, closed shape belongs to this family of shapes.
Quadrilaterals
How else can a square be classified?
Trapezoid, quadrilateral, rectangle, parallelogram, polygon.
A quadrilateral with 4 equal sides but no right angles.
Rhombus
True or false?
A rhombus is a square.
False - All squares have equal sides and right angles. A rhombus does not have right angles.
Draw a quadrilateral that is not a rectangle, rhombus or square.
Answers may vary
how many right angles does a rhombus have?
0, rhombuses does not have any right angles.
Jeanette draws a shape and says her shape
• has 4 right angles
• has 2 sets of parallel sides
• is not a regular quadrilateral
Answers may vary!