volume=PI*r^2 h=PI*7^2*15
new volume is the same...
PI*7^2*15=PI*4^2*h
height= 49*15/16 cm
Surface area: PI*14*49*15/16
A metallic right circular cylinder is15cm high and the diameter of the base is 14cm it is melted and recasted into another cylinder with radius 4cm find its height and curved surface area
1 answer
1 answer