Respuesta :

( a ) angle 6 and angle 7
( b ) angle 2 and angle 4
( c ) angle 1 and angle 5

i have done this lesson a few days ago so i know that this is right :) if it isnt im so sorry but i have tried my best

hope this helps!! pls also mark me brainliest if you can :)) i am trying to level up. thank you!!