Question

the volume of cubical iron block is 154 cm³ find the radius of cone made by melting of block the hight should be 7cm ​

Answer 1

Answer:

4.58 cm.

Step-by-step explanation:

As, v = (πhr^2)/3

=> 154 = (22 × 7 × r^2)/21

=> r^2 = 154 × 21 / 154

=> r^2 = 21

=> r = √21 = 4.58 cm.

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