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1.7.3 Qulz: Intersecting Lines and Proofs

/_RDY and 
/_NDA are:
Check all that apply.
A. supplementary.
B. a linear pair.
C. complementary.
D. vertical angles.
PREVIOUS

11.77.33 Qulz: Intersecting Lines and Proofs\newlineRDY \angle R D Y and NDA \angle N D A are:\newlineCheck all that apply.\newlineA. supplementary.\newlineB. a linear pair.\newlineC. complementary.\newlineD. vertical angles.\newlinePREVIOUS

Full solution

Q. 11.77.33 Qulz: Intersecting Lines and Proofs\newlineRDY \angle R D Y and NDA \angle N D A are:\newlineCheck all that apply.\newlineA. supplementary.\newlineB. a linear pair.\newlineC. complementary.\newlineD. vertical angles.\newlinePREVIOUS
  1. Linear Pair Definition: Angles that form a linear pair are adjacent and their non-common sides form a straight line. This means their measures add up to 180180 degrees, making them supplementary.
  2. Vertical Angles Definition: If angles are vertical angles, they are opposite each other when two lines intersect and are equal in measure.
  3. Complementary Angles Definition: Complementary angles are two angles whose measures add up to 9090^\circ. This doesn't apply to intersecting lines unless specifically stated.
  4. Supplementary Angles Assumption: Without a diagram, we can't confirm if they are vertical angles or a linear pair, but we can assume they are supplementary because intersecting lines typically create angles that add up to 180180 degrees.

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