Q. 2

# Find the volume of a cube whose side is(i) 4 cm(ii) 8 cm(iii) 1.5 dm(iv) 1.2 m(v) 25 mm

Answer :

(i) Given,

side of cube = 4 cm

volume of cube = (side)3 = 43 = 64 cm3

(ii) side of cube = 8 cm

volume of cube =(side)3 = 83 = 512 cm3

(iii) side of cube = 1.5 dm

volume of cube = (side)3 = 1.53 = 3.375 dm3 = 3375 cm3

(iv) side of cube = 1.2 m

volume of cube = 1.23 = 1.728 m3

(v) side of cube = 25 mm

volume of cube = 253 = 15625 mm3= 15.625 cm3

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