• Lightbulb Students must be able to draw rays from the center of a circle that show that the measure of an angle is part of that circle.


  • On your paper, copy the circles shown below and draw rays on the circles to illustrate the angle(s) specified.
    Four circles labeled obtuse, straight, right, acute above each circle 

Digital Tools


  • Click on the following links for more information.


  • 4.7 Geometry and measurement. The student applies mathematical process standards to solve problems involving angles less than or equal to 180 degrees. The student is expected to:
    (A) illustrate the measure of an angle as the part of a circle whose center is at the vertex of the angle that is "cut out" by the rays of the angle. Angle measures are limited to whole numbers.


  • Lighthouse Click here to submit feedback.