Functional Skills: Angles
Functional Skills: Angles Revision
Angles
In this section, we’ll look at identifying angles, and labelling them as acute, obtuse, or right-angular.
How to Label Angles
Angles are used to tell you the size of a corner.
For example, here’s a triangle:
Its angles are pretty small, and we’ll refer to these as acute.
Now, here’s a different triangle:
You might’ve noticed that it now has two small angles, and one large one, which we’ll call an obtuse angle.
But wait… How do we define a small or a large angle? That’s pretty vague.
Well, to reference from, we’ll introduce right-angles – angles that are perfectly square.
Here’s a right-angled triangle:
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Non-Triangular Shapes
Squares and rectangles are four-sided shapes which have four right-angles:
… And we also have circles, which have no angles at all!
Functional Skills: Angles Example Questions
Question 1: How many angles would you find in a rectangle? What are the types of angles in this rectangle? Draw one, and indicate the angles that you’ve identified.
[3 marks]
There are four right-angles in a rectangle.
Question 2:Â Which angle is bigger, a or b?
[1 mark]
Angle b is bigger.
Question 3: Give the term for all four angles.
[3 marks]
a – Right-angle
b – Obtuse
c – Acute
d – Right-angle
Functional Skills: Angles Worksheet and Example Questions
