E and G are congruent because they are vertical.
Answer:

Step-by-step explanation:

Step-by-step explanation: im not really sure what it is but if you are working from this probplem do pemdas-
perthises,expoment,mulicaion,divishoin,addishoin, subbtraion
hope this helped! sorry if i spelt these wrong....
The answer is A 27 because 7/9 = 21/27