What does it mean when two shapes are congruent?
Congruent means that two shapes have the same SHAPE and SIZE.
What is a polygon?
A polygon is a 2-D shape with sides that are straight lines.
When the sides make a square corner, the angle is a: ________
Right angle
What are the three types of symmetry lines we can make?
Horizontal, vertical and diagonal.
TRUE or FALSE: Congruent figures have different sized angles.
FALSE.
What is the definition of a hexagon?
A hexagon is a polygon with 6 sides.
Classify this angle: right angle, less than a right angle, or greater than
This angle is less than a right angle.
What does vertical mean?
Up and down
Are these triangles congruent? How do you know?
What polygon has 8 sides?
Classify this angle: right angle, less than a right angle, greater than a right angle
This angle is greater than a right angle.
How many lines of symmetry does this triangle have?
Three.
Are these rectangles congruent? How do you know?
No they are not because they are different sizes.
Describe two attributes about a triangle.
A triangle has:
3 sides, 3 angles, 3 vertices
Classify each angle of this polygon.
Each angle is a right angle.
What are the types of lines of symmetry on this triangle?
One vertical, two diagonal
A) B)
C)
Which shape is NOT congruent?
Shape C
How many sides does a heptagon have?
7
Classify Angle B: right angle, less than a right angle, greater than a right angle.
This angle is greater than a right angle.
How many lines of symmetry does this hexagon have?
Six.