Question

find the total surface area of cube is having the side 5.5 metre ?

Answer 1

6a^2
6×5.5^2
181.5m^2 will be your ans

Answer 2

t.s.a=
$t.s.a = 6 {a}^{2} \\ = 6 \times 5.5 \times 5.5 \\ = 6 \times \frac{55}{10} \times \frac{55}{10} \\ = \frac{18150}{100} \\ = 181.50 \: {cm}^{2}$
if help then say thanks