Angles
made when two rays share the same endpoint
What is an angle?
Polygons are _______ shapes since they don't have any openings.
What is closed?
A triangle with one right angle
sides that are an equal distance apart
What is parallel?
This polygon has one pair of opposite sides that are parallel.
What is a trapezoid?
The endpoint two rays share
What is a vertex?
Polygons must have ___________ straight lines.
What is three or more?
How are all triangles the same?
What is they all have three sides or three angles?
A parallelogram with 4 equal sides
What is a rhombus?
Which shape has:
opposite sides that are the same length,
both pair of opposite sides are parallel,
and opposite angels are the same size.
What is a parallelogram?
an angle that forms a square corner
What is a right angle?
The sides of polygons cannot ______ each other or meet.
What is cross?
How can triangles be different?
What is the length of their sides and the measure of their angles?
A parallelogram with four right angles and four equal sides.
What is a square?
True/false
A square is a rhombus.
True- A rhombus has 4 sides that are the same length, and so does a square.
An angle that is smaller than a right angle
What two attributes, or characteristics, do we use to determine what shape a figure is?
What is the number of sides and the number of angles?
Triangles can be classified according to their _________.
What is angles?
A parallelogram with 4 right angles
What is a rectangle?
True/False
A square is a rectangle.
True
A rectangle has 4 right angles, and so does a square.
An angle that is larger than a right angle
We noticed that triangles have 3 sides and 3 angles. Quadrilaterals have 4 sides and 4 angles. What conclusion can you draw about a shape's attributes?
What is shapes have the same number of sides and angles?
True/False
A triangle is a polygon.
What is true?
Quadrilaterals are classified using what 3 attributes?
Name the shape that is a quadrilateral but is not a parallelogram.
What is a trapezoid?