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?	Select
A) 150cm	B) 767cm	C) 88cm	D) 666cm	E) 776cm
150cmrea of each slab   =67.5/30m2=2.25m2   Length of each slab √2.25=1.5m=150cm
<result>A</result>
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?