EASY
Lower Secondary Stage 9
IMPORTANT
Earn 100

Four interior angles of Pentagon are90°, 120°, 70° and 130°. What is the size of the fifth interior angle?

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 2
Three interior angles of a quadrilateral are 84°, 105° and 78°. What is the size of the fourth interior angle?
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
What is the sum of the interior angles of a hexagon?
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° and137°. 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?