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1 2 ⊾2= ⊾1=56 2 1 ⊾1=47 ⊾2= ⊾1=53 ⊾2= 1 2 3 4 ⊾4= given:supplementary angles m⊾1= 25 m⊾2= given: complementary angles m⊾1=6x+21 x=9 m⊾2= given: complementary angles m⊾1= 39 m⊾2= given: supplementary angles m⊾1= 5x+23 m⊾2= x=22 m⊾1=5x+24 m⊾2=x+6 x= m⊾1= m⊾2= 1 2 a= 5x+40 b=3x+20 a b x= a= b= a= 7x+19 d= 4x+ 27 a c b d b= a= x= given: complementary angles a=x+17 b= x+33 draw a picture! a= b= x= 22o b b= What kind of angles are a & b? d a c b supplementary complementary vertical acute What kind of angles are a & c? d a c b complementary vertical supplementary adjacent b= 3x+66 a=4x+30 a b x= a= b= a=3x+25 b=2x+70 a d b c x= a= d= A B 43 57 47 D 67 C which 2 angles are complementary? A and C A and B B and D A and D 54 C A 102 D 108 72 B E 36 Which 2 angles are supplementary? A and C B and D A and E C and E a=58=b a c c= d= b d c=9x+17 a=11x+5 a d b c x= a= b= |