Question

right triangle with side 5cm, 12cm and 13cm is removed about the site 12cm and 5cm respectively find the ratio of the total surface area of two cones so formed
guys plz answer wisely it's urgent
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Answer 1

$\huge\sf\underline{Solution:-}$

Given:

⇒r=5cm, l=13cm, h=12cm

⇒Volume = 1/3 πr2 h

= 1/3π×5×5×12

=100πcm 3

⇒r=12, h=5cm, l=13cm

⇒Volume = 1/3π×12×12×5

=240πcm 3

⇒Ratio = 240π/100π

= 24/10

= 12/5

⇒5:12

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