 <translate> While practising for his upcoming math exams, Hayes realised that the area of a circle he had just solved was equal to the perimeter of a square he had solved in the previous problem. If the area of the circle was 100, what's the length of one side of the square? Let's think first. Chain of thought: <yor> Nígbà tí Hayes ń ṣe ìdánrawò fún ìdánwò ìṣirò tó ń bọ̀ lọ́nà, ó rí i pé ibi tí àyíká kan tó ṣẹ̀ṣẹ̀ yanjú wà, tóbi tó yíká onírúurú ọ̀nà tó yanjú nínú ìdánwò tó ṣáájú. Bí àgbègbè àgbáyé náà bá jẹ 100, kí ni gígùn ẹ̀gbẹ́ kan àgbáyé náà? Ẹ jẹ́ ká kọ́kọ́ ronú. Àlàfo èrò: 