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225=15*15
529=23*23
961=31*31
kuadrat kan bukan akar pangkat tiga
s² = 81cm²
s = √81
= 9cm
2. 225 cm² = 15cm
3. 529 cm² = 23cm
4. 961 cm² = 31cm
Yang nomor selanjutnya kurang lebih caranya sama.
semoga membantu.