1 Answer

Wbadry · Answer 1 · 2019-03-17T09:08:03+0000

Similar cones have proportional dimensions:

k=(3)/(2) .

If the surface area of large cone is 75 sq. cm, then

$(SA_(large))/(SA_(small))= k^2,\\ (75)/(SA_(small))= ((3)/(2))^2=(9)/(4),\\ SA_(small)=(75\cdot 4)/(9) =33.333\approx 33.3$ sq. cm.

Answer: 33.3 sq. cm.

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