Hi Subhashish,
Area to be painted is in m² and the dimensions of bricks is in cm².
So, we need to convert m² to cm².
We know that
1 m = 100 cm
(1 m)² = (100 cm)²
1 m² = 100² cm²
That is why we have multiplied by 100²
Written on Feb. 15, 2017, 11:26 a.m.