Example 12
A child playing with building blocks, which are of the shape of cubes, has built a structure as shown in fig. If the edge of each cube is 3 cm, find the volume of the structure built by the child.
Volume of structure = Number of cubes × Volume of 1 cube
It Can be counted from figure that
Number of cubes = 5 + 4 + 3 + 2 + 1 = 15
Volume of 1 cube = a3
= 33 cm3
= 27 cm3
Therefore,
Volume of the structure = Number of cubes × Volume of 1 cube
= 15 × 27 cm3
= 405 cm3

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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