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3 Iron small cubes with 3 cm and 4 cm and 5 cm are placed into the big cube req |
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Answer»
ANSWER : 6 cm
Step-by-Step Explanation : a = 3cm , B = 4cm , c = 5cm and l = SIDE of req. big CUBE Volume of small 3 CUBES = Volume of big cube a^3+b^3+3^3 = l^3 3^3+4^3+5^3 = l^3 27+64+125 = l^3 216 = l^3 cube root of 216 is 6. So, side of req. cube is 6 cm |
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