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Geometry A
1.5 Notes
Angle Pair Relationships
Adjacent Angles: Two angles that share a common _____________ and ___________, but have
no common interior points.
Complementary Angles:
Complementary adjacent angles
Complementary non-adjacent angles
Supplementary Angles:
Supplementary Adjacent angles
Supplementary Non-adjacent angles
Ex) Given that angle G is a supplement of angle H and the measure of angle G is 82 degrees,
find the measure of angle H.
Ex) Angle T and angle S are supplementary. The measure of angle T is half the measure of
angle S. Find the measure of angle S.
Ex) Angles D and E are complements and angles D and F are supplements. If the measure of
angle E is four times the measure of angle D, find the measure of each of the three angles.
Two adjacent angles are a __________ ________ if their non-common sides are opposite rays.
Ex) Two angles form a linear pair. The measure of one angle is 5 times the measure of the other.
Find the measure of each angle.
Two angles are ______________ ____________ if their sides form two pairs of opposite rays.
Ex)
Ex)
Vertical Angle Theorem (VAT):
Linear Pair Postulate: