Question

Find the total surface area of cubes having the following sides.
$5.5m$

Answer 1

We know, TSA of cube $=6a^2$

Given, side of cube $=5.5m$

then,

$TSA=6a^2$

$TSA=6\times (5.5{)}^2$

$=6\times 30.25$

$=181.5m^2$