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How do you work out the volume of a tetrahedron?
The volume(cm3) of a tetrahedron is 1/3 (area of the base)X height
What is the density of an object with a volume of 12 cm3 and a mass of 20g?
density = mass ÷ volume= 20 g ÷ 12 cm3≈ 1.67 g/cm3
What is the density of copper it its mass is 9.8 grams and its volume is 1.1?
There is no point in giving the volume as 1.1 - without any units. Is it meant to be 1.1 cm3 or 1.1 litres or 1.1 gallons or what? Because I know the answer, I can work out that if it is a solid object (hot hollow), the volume must be 1.1 cm3 and then the density is 9.8/1.1 gm per cm3 = 8.91 gm per cm3.
What is the density of a solid object that has a mass of 30 grams and a volume of 10 cm3?
density = mass ÷ volume = 30 g ÷ 10 cm3 = 3 g/cm3
What is the volume of an aquiarm that is 120 cm long 60cm wide and 100cm high?
The volume of the aquiarm - whatever that might be - is 720,000 cm3 or 0.72 m3The volume of the aquiarm - whatever that might be - is 720,000 cm3 or 0.72 m3The volume of the aquiarm - whatever that might be - is 720,000 cm3 or 0.72 m3The volume of the aquiarm - whatever that might be - is 720,000 cm3 or 0.72 m3
