Practicing Success
Practicing Success
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A right angled triangular plate of smaller sides measuring 5 cm and 12 cm is rotated about the longest side to trace a double cone as shown in the figure. Find the ratio of the curved surface areas of the two cones.
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6 : 1 5 : 12 3 : 14 6 : 5 |
5 : 12 |
Let r = be common radius ratio of $CSA_1:CSA_2$ $=πrl_1:πrl_2$ $=l_1:l_2=5:12$ |
