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the internal and external Radi of hollow cylinder is 12 and 18 cm respectively, height is 14cm, find the curved surface area and total surface area |
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Answer» Answer: 7920cm3 Step-by-step explanation: PI*(R2-r2) h =22/7(R+r)(R-r)h =22/7*30*6*14=7920cm3 Hope this HELPS you.. |
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