a cylinder is made of metal having thickness is 2cm. the outer diametre of the cylinder is 14cm and height of the cylinder is 14cm. so find the capacity of cylindre and also volume of metal used?
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Outer diameter(D)=14 cm
outer radius(R)=7cm
inner radius(r)=7-2=5cm. (outer-radius)
outer height(H)=14 cm (given)
inner height (h)=12 cm
capacity= πr × r × h = 22/7 ×5 × 5 × 12=942.85
volume of metal=πR ×R ×H - πr ×r × h =22/7×7×7×14-942.85=2156-942.85=1213.15= Ans.
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outer radius(R)=7cm
inner radius(r)=7-2=5cm. (outer-radius)
outer height(H)=14 cm (given)
inner height (h)=12 cm
capacity= πr × r × h = 22/7 ×5 × 5 × 12=942.85
volume of metal=πR ×R ×H - πr ×r × h =22/7×7×7×14-942.85=2156-942.85=1213.15= Ans.
PLZ MARK ME BRAINLIEST
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