Question

find total surface area of cuboid whose length=15cm,breadth=6,height=6.5cm?

Answer 1

surface area of cuboid = 2(lb+bh+hl)

here, surface area of cuboid = 2{(15*6)+(6*6.5)+(6.5*15)}

surface area of cuboid = 2{90+39+97.5}

surface area of cuboid =2{226.5}

surface area of cuboid =453cm^2

Answer 2

Hi there! ! ! ! !

Here is your answer in this given pic. ...


Hope it helps u. .... : )