Volume of four cubes are given below . which of the cubes has a length of side and irrational number ? option:-
1) 125cm3
2)144cm3
3) 343 cm3
4) 729cm3
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Volume of four cubes are given below . which of the cubes has a length of side and irrational number ? option:-
1) 125cm3
2)144cm3
3) 343 cm3
4) 729cm3
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Answer:
2 144cm3 is the answer . 1
Verified answer
Answer:
if volume of the cube is 144 cu cm then it's side is irrational number.
volume =125 cucm=5cm×5cm×5cm
side=5cm
volume=343cu cm=7cm×7cm×7cm
side=7cm
volume =729 cu cm=9cm×9cm×9cm
side=9cm