Mathematics
Grade 6
15 min
Sums of angles in polygons
Sums of angles in polygons
Tutorial Preview
1
What is the sum of angles in a pentagon?
2
A quadrilateral has angles 90°, 100°, 80°. Find the fourth angle.
3
What is the measure of one angle in a regular hexagon?
Sample Practice Questions
Easy
What is the sum of the interior angles of a triangle?
0.90°
1.180°
2.270°
3.360°
Easy
What is the sum of the interior angles of any quadrilateral?
0.180°
1.270°
2.360°
3.540°
Easy
A triangle has angles 60° and 70°. What is the third angle?
0.40°
1.50°
2.60°
3.70°
Want to practice and check your answers?
Sign up to access all questions with instant feedback, explanations, and progress tracking.
Start Practicing FreeMore from Two-dimensional figures
Mathematics for other grades
Frequently asked questions
What grade level is "Sums of angles in polygons"?
Sums of angles in polygons is a Grade 6 Mathematics lesson on ExcelOS.
Is "Sums of angles in polygons" free to practice?
Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.
How many practice questions are included with Sums of angles in polygons?
This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.