radius cylinder are 14cm&16cm4 height are 64cm &80cm.find the ratio of their area (formula of CSA)
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(2*3.14*14*64)÷(2*3.14*16*80)
=(14*64)÷(16*80)
=(896÷1280)
=0.7
=(14*64)÷(16*80)
=(896÷1280)
=0.7
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