30 square stone slabs of equal size were needed to cover a floor area of 50.7 sq . m . find the length of each stone slab ?
"area of each slab = 50.7 / 30 m 2 = 1.69 m 2 length of each slab √ 1.69 = 1.3 m = 130 cm"
multiply(sqrt(divide(50.7, 30)), const_100)