These features define a regular polygon
What are equal sides and angles?
The missing angle in a triangle with know angle of 70 and 30 degrees
What is 80 degrees?
When it comes to side length measurements for the sides of a triangle, this must be true in order for a triangle to be possible
What is the sum of the two shortest sides is greater than the longest?
The formula that can be used to calculate the angle sum for any polygon?
What is 180(n-2) where n is equal to the number of sides?
The name for a triangle with equal sides and angles
What is an equilateral triangle?
The three regular polygons that will tile
What are triangles, squares, and hexagons
The missing angle of a quadrilateral with known angles of 60, 100, and 50
What is 150?
When it comes to side length measurements for the sides of a quadrilateral, this must be true in order for a quadrilateral to be possible
What is the sum of the 3 smallest sides is greater than the longest?
This is the angle sum for a quadrilateral
What is 360?
A circle is split into 4 equal pieces. This would be the angle for one of those pieces
What is 90 degrees?
What is increase?
True of false: A triangle can be made with side lengths of 4, 6, and 9
What is true?
This is the angle sum for a triangle
What is 180?
The number of degrees in one exterior angle of a regular hexagon
What is 60?
Known angles such as 45, 90, 180, 270, and 360 can be used to approximate unknown angles are sometimes refered to by this name
What are benchmark angles?
True of false: A triangle can be made with side lengths of 4, 6, and 10
What is false?
What is 720?
A figure gives that has an exterior angle measurement of 40 degrees, would have a corresponding interior angle measurement of this
What is 140?
Two types or symmetries that can be used to describe polygons
What are rotational and reflection?
In figure has an interior angle of 60 degrees, this would be the corresponding exterior angle measurement
What is 120?
True of false: A quadrilateral can be made with side lengths of 4, 6, 9, and 20
What is false?
What is the angle sum for an octogon?
What is 1080?
The name for a 12 sided regular polygon
What is dodecagon?