Mathematics, 08.07.2019 22:30, allstar976

Given: ∠a and ∠b are complementary angles. m∠a=3x+105 ; m∠b=−6x−39 prove: m∠b=9° drag and drop reasons into the boxes to correctly complete the proof. statement reason ∠a and ∠b are complementary angles. given m∠a=3x+105 ; m∠b=−6x−39 given m∠a+m∠b=90° definition of complementary angles 3x+105−6x−39=90 substitution property of equality −3x+105−39=90 simplify. −3x+66=90 simplify. −3x=24 x=−8 m∠b=−6(−8)−39 m∠b=48−39 simplify. m∠b=9°

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Given: ∠a and ∠b are complementary angles. m∠a=3x+105 ; m∠b=−6x−39 prove: m∠b=9° drag and drop re...