Question

A architect wants to cover a 40m by 12m rectangular area with small stone.if she uses 120 cubic metre of stone how deep will they be?

Answer 1

volume of rectangular area=volume of cubic stone
40m.12m .h=120m^3
=> h=1/4m=25cm
hence deep 25cm

Answer 2

Answer:

VOLUME =AREA OF THE RECTANGULAR SURFACE × HEIGHT

VOLUME = L×B×H

⇒120=40×12×H

⇒120/40×12=H

⇒1/4=H

⇒0.25m=H

THEY WILL BE 0.25m DEEP

hope this helps

Step-by-step explanation: