Angles
How many right angles does a rectangle have?
4
How many sides does a square have?
4
Is a rectangle considered a regular or irregular shape?
Irregular
Are rectangles considered squares in the hierarchy of shapes?
No
What attribute do all rectangles have in common?
The have 4 straight edges, 4 right angles, and 2 set of parallel edges.
What type of angle measures exactly 90 degrees.
Right angle
How many sides does a pentagon have?
5
Is a circle considered a polygon?
No
Which shape is at the top of the hierarchy for two-dimensional figures?
Polygons
What type of quadrilateral has exactly one pair of parallel sides?
Trapezoid
What type of angle measures more than 90 degrees but less than 180 degrees?
Obtuse angle
How many sides does a hexagon have?
6
Name two polygons that are always regular polygons based on their attributes.
Square and equilateral triangle.
How are triangles and quadrilaterals related in the hierarchy?
They have at least three straight edges, at least 3 angles, and are a sub category of polygons.
Which attribute distinguishes a rhombus from a square?
Squares have to have 4 90 degree angles and rhombuses do not.
What are two true statements about the angles of an equilateral triangle?
All the angles are congruent and they are all are acute angles.
How many sides does an octagon have?
8
What is the minimum number of sides required for a shape to be classified as a polygon?
3
What type of quadrilaterals are included in the hierarchy of rectangles?
Squares
What attribute makes a parallelogram different from a trapezoid?
A parallelogram has to have 2 set of parallel edges and trapezoids only have 1 set of parallel edges.
In a square, what is the sum of all four angles?
How many sides does a decagon have?
10
What is the defining characteristic of a polygon?
How do polygons and circles differ in the hierarchy of shapes?
Polygons have angles and straight edges and circles do not.
What attribute do all regular polygons have?
They all have congruent sides and congruent angles.