All are congruent. Congruent means identical in size or shape. the different markings on the two shapes show that they are congruent. I can’t fully see number 10 so I can’t say it that one is or not
Step by step by its the thirds pne
AG and GB must be congruent and CG and GD must be congruent as well
Your answer would be $18 for 6 cans of cat food