Question

find the radius of a right circular cylinder whose volume is 3080cmcube and height is 20cm

Answer 1

height of the cylinder =h= 20 cm
given volume of the cylinder = 3080 cu cm

πr²h = 3080
22/7 * r²*20 = 3080

r²= (3080 *7)/(22*20)
r²= (140*7)/20
r²=7*7
therefore r= 7cm

Answer 2

Here is the answer.It was quite easy. It took me a few seconds to do this question