Ch 10.1: Measuring with a protractor

Below are six angles to measure in the app.
  1. Choose exactly one angle to measure.
  2. Measure the angle. Use the black point to move the protractor. Use the red point to rotate the protractor.
  3. Enter your answer into the input box. You will receive feedback as to whether or not you measured your angle appropriately. Note: Each angle's measure is a multiple of 5.