Angles in polygons
QUESTION #1
What is the sum of the angles in these regular polygons?
What is the measure of each angle?
ANSWER #2
A triangle has 180 degrees.
Let’s see how many triangles can we see in each each shape.
Note: A regular polygon has all sides and all angles equal.
Extend
What is the sum of angles of the regular polygon below? What is the measure of each angle?
QUESTION #2
What is the value of x?
ANSWER #2
HINTS
- opposite angles are equal
- angles that form a straight line have a sum of 180 degrees
QUESTION #3
What is the value of x?