# Level 3-4 Shapes - Angles

Shapes are a key part of KS3 Maths. One feature found in shapes is angles. This quiz will find out whether you've got the angle on your angles!

An angle is a measure of turning or rotation. Angles are measured in degrees, which are shown by this sign ^{o}. There are 360^{o} in a circle and 180^{o} in a half-circle or straight line. Right angles (the corners on squares) have 90^{o} and all of the angles in a triangle add up to 180^{o}. Angles less than 90^{o} are called acute angles, those between 90^{o} and 180^{o} are obtuse and those over 180^{o} are reflex. There are many more facts to learn about angles. This quiz will help you get to grips with the subject.

Take your time over the following questions. Read each one carefully and make sure you understand it before you choose which answer is correct. And don't forget the helpful comments which appear after you've answered a question. These can help to clarify anything which you didn't understand. Good luck!.

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