Answer:
-4/8
Step-by-step explanation:
that's what my math says
Well, if we take 68.73 as the 100%, how much is 12 of it in percentage?
well

solve for "x"
Side a can be broken into to rectangles having areas:
(12-8)*4 and 8*12 so the area of side A is
A=16+96
A=112cm^2
Tell Me if I'm Wrong But I Believe It's 198m3