C A B Given: ∆ABC ∡A = ∡B = ∡C = ∡B=2x x = ∡C=3x 1 2 Given: ∡1=5x+10 ∡2=x+20 m∡2= m∡1= x= 1 4 2 3 Given: ∡1=x+5 m∡4= m∡3= m∡2= m∡1= x= ∡2=x+15 1 2 Given: m∡2= ∡1=5x+35 m∡1= ∡2=x+55 x= 1 4 2 3 m∡2= x= m∡1= m∡3= m∡4= Given: ∡1=5x+9 ∡3=3x+19 8 5 7 4 6 1 3 2 m∡6= b a m∡1=115 line a ⇈ line b Given: ∘ Given: Vertical Angles ∡2=4x+28 m∡1= ∡1=2x+50 m∡2= x= m∡D= Acute Triangle Obtuse Triangle Equilateral Triangle Right Triangle Given ∆DEF x= ∡D=2x+50 ∡E=3x+40 ∡F=3x+18 m∡E= m∡F= |