Unit 5 Section 3 : Classifying Angles

We use the words acute, obtuse and reflex to describe certain types of angle.

Example Question

Below are some acute, obtuse and reflex angles.
Practice Questions
(a) What type of angle is A?

(b) What type of angle is B?

 

Exercises

Work out the answers to the questions below and fill in the boxes. Click on the Click this button to see if you are correct button to find out whether you have answered correctly. If you are right then will appear and you should move on to the next question. If appears then your answer is wrong. Click on to clear your original answer and have another go. If you can't work out the right answer then click on Click on this button to see the correct answer to see the answer.

Question 1
For each angle below, state whether the angle is acute, obtuse or reflex.

(a)

(b)

(c)

(d)

(e)

(f)

Question 2
For each shape below state whether the angle at each corner is acute, obtuse or reflex.
Point A
Point B
Point C
Point D
Point A
Point B
Point C
Point D
Point E
Point F


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Produced by A.J.Reynolds January 2001