Respuesta :

Step-by-step explanation:

volume of a cone is given by

[tex] \frac{\pi {r}^{2}h }{3} [/tex]

1st cone,

B= 25π cm²

πr²=25π

r²=25

r=5

Here, volume = π(5)²×3.5/3

=29.1π cm³

2nd cone,

r=3cm

Here, volume = π(3)²×6.5/3

= 19.5π cm³

3rd cone,

r= 4cm

Volume = π(4)²×4.5/3

=24π cm³

4th cone,

B=4π cm²

r²=4

r=2

volume = π(2)²×7.5/3

= 10π cm³

So, the third cone has vol 24π cm³

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