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Name: _____________________________________________Date: ____________ Page 1 of 1 Activity 2.5.3 Identifying Angle Pairs β‘ at B and line π»π· β‘ at A. Use the figure below to answer AB is a transversal intersection line πΆπΈ these questions: 1. β πΈπ΅π΄ and β _________ are a pair of corresponding angles. 2. β πΉπ΅πΆ and β _________ are a pair of vertical angles. 3. Name another pair of vertical angles. 4. β πΆπ΅π΄ and β _________ are a pair of alternate interior angles. 5. β π΅π΄π· and β _________ are a linear pair of angles. 6. Name one pair of same side interior angles. 7. Name an angle that must be congruent to angle β πΊπ΄π». β‘ In this figure, M is a point on π½πΏ 8. Suppose mβ πΎππ½ = 55°. Find mβ πΏππΎ. 9. Suppose mβ πΏππΎ is twice the size of mβ πΎππ½. Find the measure of each angle. 10. Suppose mβ πΎππ½ is 80° less than mβ πΏππΎ. Find the measure of each angle. 11. Do you agree or disagree with this statement βIf β πΎππ½ is an acute angle, then mβ πΏππΎ must be an obtuse angleβ? Explain your reasoning. Activity 2.5.3 Connecticut Core Geometry Curriculum v 1.0