No, he cannot cut a 15 cm square handkerchief because 15² = 225, which is more than 125. The nearest perfect square below 125 is 121 and √121 = 11. So, he can cut a handkerchief of side 11 cm.
Class 8 Mathematics Chapter 1 A Square and A Cube question answer
Class 8 NCERT Ganita Prakash Chapter 1 A Square and A Cube solutions
Akhil cannot cut a 15 cm × 15 cm square from 125 cm² because 15² = 225, which exceeds the cloth’s area. The largest square he can cut must have an area less than or equal to 125. The closest perfect square less than 125 is 121 and √121 = 11. So, the biggest square handkerchief with an integer side that Akhil can cut is 11 cm × 11 cm.
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