Pearson Geometry Common Core, 2011
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Pearson Geometry Common Core, 2011 View details
Mid-Chapter Quiz
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Exercise 15 Page 41

Vertical angles are two angles whose sides are opposite rays.

∠APD and ∠CPR, ∠APC and ∠DPR.

Practice makes perfect
We want to find a pair of vertical angles. Vertical angles are two angles whose sides are opposite rays. In the given diagram, we can see that ∠APD and ∠CPR are vertical angles.

Additionally, we can see that ∠APC and ∠DPR are also vertical angles.