GCSE Maths Revision: Angles in circles and triangles

12th April 2017

Angles - helping you revise right angles, acute angles, obtuse angles and reflax angles

There are all kinds of angles that you need to know about for your GCSE Maths examination. For information on angles in a triangle and angles in circle, take a look at our song selection which can provide you with all the information you need to know about these different types.

In this blog, we are going to take a look at the types of angles that you will find throughout the syllabus:

• Right angles - these are angles of 90 degrees and they are found in rectangles and squares

• Acute angles - these are angles that are less than 90 degrees

• Obtuse angles - these are angles of any size between 90 degrees and 180 degrees

• Reflex angles - these are angles that are greater than 180 degrees

Now let us summarise the main points about angles on a straight line and angles around a point:

• Angles on a straight line always add up to 180 degrees

• Angles around a point always add up to 360 degrees

There are no exception to these rules so these are the crucial facts to remember. To listen to a song about these angle types, have a listen to our song - they are sure to be stuck in your head for your examination on the new GCSE Mathematics syllabus.

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