True or False? Opposite sides and angles of parallelograms are congruent.
What is true
A parallelogram has 2 pairs of ___________ sides
What is parallel
The angles in a quadrilateral add up to this many degrees...
What is 360
What is the measure of each interior angle in a square?
What is 90
Solve for the missing side.
What is 24
True or False? Consecutive angles are angles that are across from each other.
What is false
Quadrilateral
The sum of angles in a pentagon add up to this many degrees...
What is 540
Each interior angle of a regular pentagon has this many degrees...
What is 108
What kind of lines never cross?
What is parallel lines
Solve for the missing angle.
What is 55
The number of sides a septagon/heptagon has
What is 7
The sum of angles in a decagon add up to this many degrees...
What is 1440
Each interior angle of a regular octagon has this many degrees...
What is 135
Angles that add up to 180 degrees are called _______?
What are supplementary angles
Solve for the missing angle.
What is 110 degrees
Give an example of a regular polygon (be specific!)
Equilateral triangle, square, stop sign, etc.
What is the formula to find the sum of interior angles?
s = 180(n-2)
An interior angle of a regular 18-sided polygon is this many degrees
What is 160
What are Mrs. Cotton's children's names?
What is Mason and Addison
Solve for x.
What is 7.
How do we classify polygons?
By the number of sides!
The sum of angles in a nonagon add up to this many degrees...
What is 1260
Each interior angle of a regular 20-sided polygon is this many degrees
What is 162
Solve for x.