30 square stone slabs of equal size were needed to cover a floor area of 67.5 sq . m . find the length of each stone slab ?
"area of each slab = 67.5 / 30 m 2 = 2.25 m 2 length of each slab √ 2.25 = 1.5 m = 150 cm"
multiply(sqrt(divide(67.5, 30)), const_100)