The ratio of the volumes of the two cones is 4:5 and the ratio of their bases is 2:3. Find the ratio of their heights
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2r / 2R = 2/3
r/R = 2/3
RATIO OF VOL. = 1/3πr²h / 1/3πR²H = 4/5
r²h/R²H = 4/5
4/9 * h/H = 4/5
h/H = 9/5
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