Question

the volume of two cones are in the ratio 1:5 and their radii are in the ratio 3:5 find the ratio of their heights​

Answer 1

ratio = 1/3πr²h / 1/3πR²H = 1/5

r²h / R²H = 1/5

WE KNOW THAT

r/R = 3/5

THEREFORE

(3/5)² * h/H= 1/5

h/H = 5/9