Using his ruler, Frank then connected the vertex with the dot he drew. His angle looked like this:

  1. Jackie tried drawing a 105° angle. This is her drawing. Explain her mistake.
  2. Use Frank's method to draw angles on a separate piece of paper. Use the following guidelines to complete your drawings.
    • Draw and identify each of these three types of angles: acute, right, obtuse.
    • Name each angle and give its measurement.
    • Make at least one angle with a vertex on the right side and one on the left side.
  3. Draw a reflex angle. Name your angle and give its measurement. Write a number sentence to show how to calculate the measurement.