Question

if the radius of a cylinder is doubled and height is Halved then show that the volume will be doubled​

Answer 1

Answer:

Step-by-step explanation: r=2r

h=h/2

Volume of cylinder=pie r square× h

=pie ×(2r)square×h/2= pie × 4r square×h/2

=pie×2×r square×h = 2×pie × r square × h = 2× volume of cylinder