S. Estimating Angles
Refer to the drawing. Use a right angle (a corner of your paper) and a 180° angle as benchmarks. Fill in the circle next to the correct answer.
- Which is a right angle?
- ∠BED
- ∠BEC
- ∠AEB
- ∠CED
- Which angle is an acute angle?
- ∠CEA
- ∠BEA
- ∠DEB
- ∠CED
- Which angle is 180°?
- ∠EDA
- ∠AEC
- ∠CEB
- ∠AEB
- Which angle is an obtuse angle?
- ∠BEA
- ∠BED
- ∠ADE
- ∠CED