Question

if an eximanition hall is 100 metre long,60 metre wide and 15 metre high, determine the total surface area of the hall​

Answer 1

Answer:

Volume of a cuboid of length l, breadth b and

height h =l×b×h

So, the volume of the cinema hall =100×60×15=90000m

3

Answer 2

Answer:

eximanition hall is 100 metre long,

60 metre wide and 15 metre high

Then total surface area of the Examination hall is,

$s = 2lb + 2bh + 2lh \\ s = 2 \times 100 \times 60 + 2 \times 60 \times 15 + 2 \times 100 \times 15 \\ = 12000 + 1800 + 6000 \\ = 19800 \: {m}^{2}$