Nicola wants to put a flat roof on a bike store,
The roof will be
made of concrete
in t...
Mathematics, 18.03.2021 01:10 dbhuggybearow6jng
Nicola wants to put a flat roof on a bike store,
The roof will be
made of concrete
in the shape of a cuboid as shown.
Density
mass
volume
.
12 em
Nicola wants to put a metal strip along 2 of the longest edges of the roof.
She knows
the density of concrete is 2300 kg per mi
the mass of 1 metre of metal strip is 5kg,
.
(5)
Work out the total mass of the concrete and the strips she wants.
Answers: 1
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