What is the sum of the interior angles in a triangle?
180 degrees
True or False: The sum of the exterior angles of any polygon is 360 degrees.
True
In a triangle with angles A and B, if angle C is missing, how can you find angle C?
C = 180 - (A + B)
What is the formula to find the sum of the interior angles of a polygon with n sides?
(n - 2) * 180 degrees
Fill in the blank: In a quadrilateral, the sum of the interior angles is ____ degrees.
360
If a triangle has two angles measuring 45 degrees each, what is the measure of the third angle?
90 degrees
What type of triangle has all angles measuring less than 90 degrees?
Acute triangle
True or False: An obtuse triangle has one angle that is greater than 90 degrees.
True
If a polygon has 8 sides, what is the sum of its interior angles?
1080 degrees
How do you find the measure of an exterior angle of a triangle?
It is equal to the sum of the two opposite interior angles.
Fill in the blank: The measure of each interior angle of a regular pentagon is ____ degrees.
108
What is the measure of each exterior angle of a regular hexagon?
60 degrees
In a right triangle, what is the measure of the right angle?
90 degrees
True or False: The angles in a triangle can be all equal and still add up to more than 180 degrees.
False
What is the relationship between the sum of the interior angles and the number of sides in a polygon?
The sum increases as the number of sides increases according to the formula (n - 2) * 180 degrees.
If one angle of a triangle is 60 degrees and the other is 80 degrees, what is the missing angle?
40 degrees
What is a scalene triangle?
A triangle with all sides and angles of different measures.
Fill in the blank: The measure of each interior angle of a regular octagon is ____ degrees.
135
How do you calculate the measure of an interior angle in a regular polygon?
Interior angle = [(n - 2) * 180] / n
True or False: In any triangle, the longest side is opposite the largest angle.
True
If a triangle has angles of 30 degrees and 60 degrees, what is the third angle?
90 degrees
What is the sum of the interior angles of a decagon?
1440 degrees
What type of triangle has at least one angle greater than 90 degrees?
Obtuse triangle
Fill in the blank: The exterior angle of a triangle is equal to the sum of the two ____ angles.
opposite
