Question

Conversation of solids from one shape to another. Construction of similar triangle from

improper fraction and mixed fraction.​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Each and every solid that exists occupies some volume. When you convert one solid shape to another, its volume remains the same, no matter how different the new shape is. In fact, if you melt one big cylindrical candle to 5 small cylindrical candles, the sum of the volumes of the smaller candles is equal to the volume of the bigger candle.Volume of the iron ball = (4/3) πr3 = (4/3) x (22/7 )x 21 x 21 x 21 = 38,808 cm3

Let us assume that the radius of the smaller balls is r.

So volume of 27 smaller balls = 27 x (4/3) πr3 = 36πr3

Thus we have, the volume of the big iron ball = volume of 27 smaller balls

⇒38,808 cm3 = 36πr3

⇒ r3 = 343 cm3

So r = 7 cm

Therefore, the radius of each spherical ball is 7 cm.