Question

if height of cone is 15 cm and volume is is 1570 cm3 find the radius of base using r 3.14

Answer 1

Here,
Volume of cone =1570 cm3
ie, $\pi$*r^2*h=1570
   or,3.14*r^2*15=1570
   or,47.1r^2=1570
   or,r^2=1570/47.1
   or, r^2=33.33
     r=5.77cm