a cylinder with radius r and height h has volume 1 and tsa 12 find 1/r+1/h - Maths -

Question

a cylinder with radius r and height h has volume 1 and tsa 12 find
1/r+1/h

Lovina Kansal · Accepted Answer

Dear Student

Volume of cylinder = 1 cubic units⇒πr2h = 1    
1TSA of cylinder =12 square units⇒2πrh + 2πr2= 12⇒πrh + πr2= 6Dividing both sides by πr2h , we getπrhπr2h  + πr2πr2h  = 6πr2h ⇒1r + 1h = 6

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