volume of 7 balls of radius 3cm is
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Answer:
792 cm^3
Step-by-step explanation:
volume of 1 ball = 4/3 x pie x r^3
= 4/3 x 22/7 x 3^3 cm^3
= 4 x 9 x 22/7 cm^3
= 792 / 7 cm^3
now, volume of 7 ball = 7 x volume of 1 ball
= 7 x 792 / 7 cm^3
= 792 cm^3
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