1.4. Angles in polygons.
Angles in a triangle:
Angles in a quadrilateral:
Angles in a pentagon:
Angles in a hexagon:
What is the sum of the angles in an octagon?
360
1080
135
2880
What is the measure of each angle in a regular hexagon?
720
120
360
480
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Information: 1.4. Angles in polygons.