Learning Goal: I will be able to use the properties of complementary and supplementary anles to solve problems involving a unknown angle. 6MG 2.1 What is the measure of ∡A? What is the measure of ∡B? ∡B ∡A 55o degrees degrees What is the measure of ∡A? What is the measure of ∡B? ∡A 145o ∡B degrees degrees Angle A and angle B are: Complementary Supplementary ∡A 150o ∡B m∡A =
m∡B =
m∡C =
m∡D = o o o o ∡D ∡C ∡B 40o ∡A ∡B, ∡D, ∡F, ∡H ∡C, ∡E, ∡G ∡B, ∡D ∡H Which angles are supplementary with ∡A? ∡C ∡D ∡B ∡E ∡A ∡F ∡H ∡G o 10o o 55o o 30o o o 165o o 25o o 50o |