Polygons
Triangles
Interior Angles of Triangles
100
What is a polygon?
A closed figure formed by three or more line segments called sides
100
What type of triangle has all equal sides?
Equilateral Triangle
200
What is the sum of the measures of the angles in a quadrilateral?
What must the sum of the measures of the angles in a quadrilateral add up to?
360
200
What is an Isosceles Triangle?
2 congruent sides and angles
200
What is the sum of the measures of the angles of a triangle?
180
300
What is the Interior Angle Sum Formula?
S=(n-2)x180
300
Which triangle has no congruent sides?
Scalene Triangle
400
What is the sum of the exterior angle measures of all polygons?
360
500
How do you find the measure of one interior angle in a polygon?
Use the interior Angle Sum and divide by n (the number of sides).
