[질문] 코흐의삼각형넓이눈송이넓이구하는거 어케하나요

더해지는면적은3*(1/9)+12(1/9)^2+48(1/9)^3+...첫째항1/3,공비4/9인무한등비급수의합이므로1/3/(1-4/9)=3/5만큼의넓이가붙습니다.따라서코흐송이넓이=1+3/5=8/5