TRUE OR FALSE
A triangle is a polygon
TRUE
Two angles are supplementary. One measures 110°. What is the other?
70 degrees
The sum of the measures of the interior angles of a polygon is 1,260°. How many sides does it have?
Nine
A polygon with all sides equal and all angles equal?
A regular hexagon has how many diagonals?
Nine / 9
two angles are complementary. One is 12° less than twice the other. Find both angles.
56 and 34
A point that connects two lines
Vertex or Vertices
If two angles are vertical and one is 125°, what is the other?
55 degrees
Two angles are supplementary. One angle is 45° less than twice the other. Find the two angles.
75 and 105
An angle measuring exactly 90 degrees
Right Angle
What is the sum of the interior angles of a square?
360 degrees
The measure of one interior angle of a regular polygon is 135°. What kind of polygon is this?
Octagon
How many sides does a pentagon have?
Five / 5
In a regular octagon, what is their diagonal?
20 diagonals
A regular polygon has an exterior angle of 24°. How many sides does it have?
15 sides