What is the sum of the interior angles of a hexagon?

Important Questions on Angles and Geometrical Reasoning

EASY

Lower Secondary Stage 9

IMPORTANT

Cambridge Lower Secondary Maths Stage 9: Student's Book>Chapter 19 - Angles and Geometrical Reasoning>Exercise 1>Q 3

Four interior angles of a hexagon are $100°, 122°, 73°$ and$137°$. The other two interior angles are equal.  What is the size of the other two interior angles?  

EASY

Lower Secondary Stage 9

IMPORTANT

Cambridge Lower Secondary Maths Stage 9: Student's Book>Chapter 19 - Angles and Geometrical Reasoning>Exercise 1>Q 4

What is the sum of the exterior angles of a $12-$sided polygon (a dodecagon)?

EASY

Lower Secondary Stage 9

IMPORTANT

Cambridge Lower Secondary Maths Stage 9: Student's Book>Chapter 19 - Angles and Geometrical Reasoning>Exercise 1>Q 4

What is the size of each exterior angle of a regular dodecagon?

EASY

Lower Secondary Stage 9

IMPORTANT

Cambridge Lower Secondary Maths Stage 9: Student's Book>Chapter 19 - Angles and Geometrical Reasoning>Exercise 1>Q 4

What is the size of an interior angle of a regular dodecagon?

EASY

Lower Secondary Stage 9

IMPORTANT

Cambridge Lower Secondary Maths Stage 9: Student's Book>Chapter 19 - Angles and Geometrical Reasoning>Exercise 1>Q 5

Which of these could not be the sum of the angles of a polygon?

EASY

Lower Secondary Stage 9

IMPORTANT

Cambridge Lower Secondary Maths Stage 9: Student's Book>Chapter 19 - Angles and Geometrical Reasoning>Exercise 1>Q 6

The exterior angle of a regular polygon is $36°$. How many sides does it have?

EASY

Lower Secondary Stage 9

IMPORTANT

Cambridge Lower Secondary Maths Stage 9: Student's Book>Chapter 19 - Angles and Geometrical Reasoning>Exercise 1>Q 7

The interior angle of a regular polygon is $140°$ . How many sides does it have?

EASY

Lower Secondary Stage 9

IMPORTANT

Cambridge Lower Secondary Maths Stage 9: Student's Book>Chapter 19 - Angles and Geometrical Reasoning>Exercise 2>Q 5

In a diagram  $ABC$ is a triangle and $DBE$ is parallel to $AC$.What type of triangle is triangle $ABC$? Give reasons to explain your answers.