How many lead shots, each 0.3 cm in diameter, can be made from a
cuboid of dimensions 9 cm x 11 cm x 12 cm?
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Answer:
8343 full lead shots
Step-by-step explanation:
Volume of cuboid = 9 × 11 × 12
= 1188 cm³
Consider one lead shot. it's of spherical shape
diameter = 0.3 cm
radius, r = 0.15 cm
volume = 4πr³ /3
= (4/3) × (22/7) × (0.15)³
Number of lead shot = volume of cuboid / volume of one lead shot
= ( 1188×3×7 ) / ( 4×22×(0.15)³ )
= 8343.4
= 8343 full lead shots
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