Ex 13.5, 1 - A matchbox measures 4 cm x 2.5 cm x 1.5 cm - Ex 13.5

  1. Chapter 13 Class 9 Surface Areas and Volumes
  2. Serial order wise
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Ex 13.5 , 1 A matchbox measures 4 cm × 2.5 cm × 1.5 cm. What will be the volume of a packet containing 12 such boxes? Here l = 4 cm, b = 2.5 cm and h = 1.5 cm. Volume of 1 matchbox = 𝑙bh = (4 × 2.5 × 1.5) cm3 = 15 cm3 Now, Volume of a packet containing 12 such boxes = (12 × 15) cm3 = 180 cm3

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