Question

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​

Answer 1

Answer:

2 144cm3 is the answer . 1

Answer 2

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