Example 1
Any diameter is also a chord. True or false? |
Example 2
Any radius is also a chord. True or false? |
Example 3
In the figure below, points A, B, C, and D are on ⊙O and AB ≅ CD. Do we know for sure whether arc AB is congruent to arc CD? |
Example 4
In the figure below, points A, B, C, and D are on ⊙O, m∠AOB = 37°, and m∠DOC = 40°. Do we know for sure whether AB ≅ CD? |