From the Provided Information Area =324m² Length =5m Width=12m Putting all values in the given formula: Surface Area =2(Iw+Ih+wh)
324 m²=2(5 mx12 m + 5 m h+12 m h) 324 m²=2(60 m²+17 m h) 60 m²+17 mh=324 m²/2 60 m²+17 mh=162 m² 17 mh=162 m²-60 m² 17 mh=102 m² h=102 m²/17 m <span>h=6 m</span>
SA=2(Iw+Ih+wh) 324 m²=2(5 m*12 m + 5 m h+12 m h) 324 m²=2(60 m²+17 m h) 60 m²+17 mh=324 m²/2 60 m²+17 mh=162 m² 17 mh=162 m²-60 m² 17 mh=102 m² h=102 m²/17 m h=6 m