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3.​ ​A solid cylinder has a radius of 6cm and a height of 20cm.

​a.​ ​Calculate the volume of the cylinder. Give your answer correct to 3 significant figures.

b.​ ​The cylinder is made of a material that has a density of 1.5g/cm3. Calculate the mass of the cylinder. Give your answer correct to 3 significant figures.
4. The diagram shows a right-angled triangular prism.

3 A solid cylinder has a radius of 6cm and a height of 20cm a Calculate the volume of the cylinder Give your answer correct to 3 significant figures b The cylin class=
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Answer:

a) 2260 cm³

b) 3390 grams

Step-by-step explanation:

3.

a)The radius of the solid cylinder = 6cm

The height of the cylinder is =20 cm

The volume = π*r²*h

The volume = 3.14 * 6²*20 =2260 cm³

b) Density of the material = 1.5 g/cm³

  Volume of the cylinder = 2261 cm³

  Mass of the cylinder = Density * Volume

  Mass of the cylinder = 1.5 * 2261 = 3390 grams

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