EXAMPLE 3 Identify congruent arcs

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Presentation transcript:

EXAMPLE 3 Identify congruent arcs Tell whether the red arcs are congruent. Explain why or why not. a. b. SOLUTION a. CD EF because they are in the same circle and mCD = mEF b. RS and TU have the same measure, but are not congruent because they are arcs of circles that are not congruent.

EXAMPLE 3 Identify congruent arcs Tell whether the red arcs are congruent. Explain why or why not. c. SOLUTION c. VX YZ because they are in congruent circles and mVX = mYZ .

GUIDED PRACTICE for Example 3 Tell whether the red arcs are congruent. Explain why or why not. 7. SOLUTION AB CD because they are in congruent circles and mAB = mCD .

GUIDED PRACTICE for Example 3 Tell whether the red arcs are congruent. Explain why or why not. 8. SOLUTION MN and PQ have the same measure, but are not congruent because they are arcs of circles that are not congruent.