KS3 Maths Quiz
A 45 degree angle is known as an acute angle.

# Level 5-6 Shapes - Angles

Shapes. They form an important part of KS3 Maths. There are many aspects to shapes, like sides, corners and area. This quiz looks at angles.

There are certain 'rules' about angles. For example, the angles in a triangle always add up to 180o. There are also different names for different types of angles - acute, right-angled, obtuse and reflex.

Can you tell an acute angle from an obtuse angle? Do you know how many degrees there are in a circle or in a square? Are you familiar with the angles of a regular pentagon or a regular hexagon? Well, this quiz will find out!

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1. What is 'angle A' in the diagram below?
The angles on a straight line add up to 180o
2. What is 'angle A' in the diagram below?
90o + 195o + 75o = 360o
3. The angle in the picture below is a(n) .......
Right angles are exactly 90o
4. The angle in the picture below is a(n) .......
Obtuse angles are between 90o and 180o
5. What is 'angle A' in the regular hexagon below?
Remember that all the angles in a regular hexagon are the same and all the lengths of the sides are the same
6. The angle in the picture below is a(n) .......
Acute angles are less than 90o
7. What is 'angle A' in the equilateral triangle below?
The angles in a triangle add up to 180o
8. What is 'angle A' in the regular pentagon below?
All angles in a regular pentagon are the same. (The length of the sides are also the same)
9. The angle in the picture below is a(n) .......
Reflex angles are between 180o and 360o
10. What is 'angle A' in the diagram below?
The angles in a circle add up to 360o

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