If the radius ofa l m long metallic rod (in cylindrical shape) is 3.5 cm then how many cones of radius 1 cm and height 2.1 cm can be formed by melting down the rod?
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Answer:
583 cones
Step-by-step explanation:
Volume of rod= πr²l = 3.14*3.5²*100= 3846.5 cm³
Volume of cone= 1/3 πr²l = 3.14* (1²)*2.1= 6.594 cm³
No of cones= 3846.5/6.594=583.33333 = 583 cones
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