Facts About Angles
11+ Maths, topic 1.1.1
Facts About Angles
To answer angles questions, you need to know 7 facts about angles. Here are 4 facts about angles.
Acute angle
- An angle between 0-89 degrees is an acute angle.
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Right angle
- An angle at 90 degrees is a right angle.
Obtuse angle
- An angle between 91-179 degrees is an obtuse angle.
'Straight-line angle'
- Angles at 180 degrees are usually referred to as ‘straight-line angles’.
Test yourself on Facts About Angles
What is a 'straight-line angle' equal to?
What is a right angle equal to?