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morpeh [17]
3 years ago
10

Find l of the following cone ​

Mathematics
2 answers:
e-lub [12.9K]3 years ago
8 0

Answer:

l =  \sqrt{261}\: in

Step-by-step explanation:

Height of the cone h = 15 in

Radius of the cone r = 12/2 = 6 in

We need to find slant height (l) =?

\because l =  \sqrt{ {r}^{2}  +  {h}^{2} }  \\  \\ \therefore l =  \sqrt{ {6}^{2} +  {15}^{2}  }  \\  \\\therefore  l =  \sqrt{36 + 225}  \\  \\\therefore  l =  \sqrt{261}  \\

andrey2020 [161]3 years ago
6 0

Answer:

l = √261 in

Step-by-step explanation:

Hope this helps

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