Estimate the answer for each angle and then use the protractors to find the exact measurement. You can use the 180° or the 360° protractor (choose which protractor you are going to use and find the pages related to that tool) 1. Read the revision notes on how to use each protractor. 2. Estimate the measurement for each angle using your knowledge of angles. 3. the protractor over the angle to be measured. You may need to turn it and place it in the right position. 4. Check your answer with your estimation. 5. Write the answer using the ° symbol to represent the unit of measurement. 6. upload your work when complete.