1. Cubes A.B and C having edges 3 cm. 4 cm and 5 cm are melted and a new cube is formed. Find the
edge of the new cube.
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7
Step-by-step explanation:
volume of the A,B,C=volume of the new cube
(3)3+(4)3+(5)3=a3
27+64+125=a3
216=a3
a=6
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