C. 10r-3
Because 2r+5=7, the minus 6 and 7 which gives you 1 then minus 4 and 1 witch is 3 then you do 10r-3 and it will get you to 2r+5=7 again. I hope this helped!
Answer:
Yes
Step-by-step explanation:
x is equal to 5 and y is equal to 29
Step-by-step explanation:
according to question triangle is concurrent so two traingle= 1rectangle
so finally ans is 6×2(12+2)=168
