Mastering Angles in Polygons
Mathematics
Grade 8
10 questions
~20 mins
0 views0 downloads
About This Worksheet
A worksheet covering Angles in Polygons for Grade 8 students.
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Mastering Angles in Polygons
Subject: MathematicsGrade: Grade 8
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Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
What is the sum of interior angles of a pentagon?
[2 marks]2.
Calculate the measure of each interior angle in a regular hexagon.
[2 marks]3.
What is the measure of each exterior angle of a regular octagon?
[2 marks]4.
If a polygon has 12 sides, what is the sum of its interior angles?
[2 marks]5.
In a regular decagon, what is the measure of each exterior angle?
[2 marks]6.
Calculate the interior angle of a polygon with 15 sides.
[3 marks]7.
A polygon has interior angles measuring 110°, 120°, 130°, and 140°. Find the sum of the remaining interior angles if the polygon has 8 sides.
[4 marks]8.
Determine whether a polygon with interior angles 100° each is regular or irregular if it has 9 sides.
[3 marks]9.
A polygon has an exterior angle of 30°. How many sides does it have?
[2 marks]10.
Challenge: An irregular polygon has interior angles of 80°, 100°, 120°, and 140°. The remaining four interior angles are equal. Find the measure of each of these four angles.
[4 marks]Quick Actions
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet