Mariam is putting a shed in her garden and needs to build the base The shed has a rectangular base so the base will need to be a rectangular prism. The base will need to be 30cm deep, 1.9m long and 1.6m wide. Calculate the volume of the foundations in m' Concrete is a mix of different things. Aggregate, cement and wa The ratio of these is 7:2:1 Calculate the volume of each element required