Question

answer the 3rd one.
Plz... It's urgent
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Answer 1

volume of cuboid = lbh

l = 18cm; b= 120mm; h = 150mm

here dimensions are given in mm convert it into cm

10 mm = 1cm

120mm = 12cm

150mm = 15cm

Vol = 18cm × 12cm × 15cm

= 3240 cu cm