Polygon Interior Angle Sum Worksheet
This worksheet focuses on understanding and calculating the sum of interior angles in polygons for Grade 10 students.
Includes
Standards
Topics
Polygon Interior Angle Sum
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work for full credit.
1. The sum of the interior angles of a polygon with 'n' sides is given by the formula .
2. A polygon with 5 sides is called a .
3. The sum of the exterior angles of any convex polygon is always degrees.
4. What is the sum of the interior angles of a hexagon?
360°
540°
720°
900°
5. If the sum of the interior angles of a polygon is 1080°, how many sides does the polygon have?
6 sides
7 sides
8 sides
9 sides
6. Calculate the sum of the interior angles of a regular decagon (10-sided polygon).
7. A polygon has an interior angle sum of 1440°. How many sides does it have? What is the name of this polygon?
8. The sum of the interior angles of a quadrilateral is 360°.
True
False
9. A triangle has an interior angle sum of 180°.
True
False
10. The interior angle of a regular polygon is 150°. How many sides does the polygon have? What is the sum of its interior angles?