30 square stone slabs of equal size were needed to cover a floor area of 58.8 sq . m . find the length of each stone slab ?
"area of each slab = 58.8 / 30 m 2 = 1.96 m 2 length of each slab √ 1.96 = 1.4 m = 140 cm"
multiply(sqrt(divide(58.8, 30)), const_100)