Three squares are joined together as shown in the given figure. Their sides are 4 cm, 10 cm, and 3 cm. Find the perimeter of the figure.

[2 marks]

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Solution

Given sides of the three squares are 4 cm, 10 cm, and 3 cm, respectively.

[1 mark]

$∴$ Total perimeter of given squares = Sum of all outer sides of the figure = 4 + 4 + 4 + 6 + 10 + 7 + 3 + 3 + 3 + 10 = 54 cm.
[1 mark]

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