Unit 11 Section 1 : Angle Measures
In this section we review measuring angles, and the different types of angles.
The box below shows the different types of angles you can have.
Example QuestionMeasure the angle in the diagram shown below.
Practice QuestionWork out whether each of the angles below is acute, obtuse or reflex, then click on the button marked to see whether you are correct.
ExercisesWork out the answers to the questions below and fill in the boxes. Click on the 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 to see the answer.
In the two questions below, it may be difficult to measure the angles on your screen with a protractor. The questions are the same as those on pages 190 and 191 in the 8A practice book, so you could measure the angles on the printed page and type their values on the screen.
Produced by A.J. Reynolds August 2007