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RS Aggarwal Solutions Class 9 Mathematics Solutions for Volume And Surface Area Of Solids Exercise 15A in Chapter 15 - Volume And Surface Area Of Solids
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A matchbox measure 4cm × 2.5cm × 1.5 cm. What is the volume of a packet containing 12 such matchboxes?
Answer:
ANSWER:
It is given that
Length of the matchbox = 4cm
Breadth of the matchbox = 2.5cm
Height of the matchbox = 1.5cm
We know that
Volume of one matchbox = volume of cuboid = l × b × h
By substituting the values
Volume of one matchbox = 4 × 2.5 × 1.5
By multiplication
Volume of one matchbox = 15 cm3
So the volume of 12 such matchboxes = 12 × 15 = 180 cm3
Therefore, the volume of a packet containing 12 such matchboxes is 180 cm3.
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