Jawaban:
b. 6√6
Penjelasan dengan langkah-langkah:
a² = 21² - 15²
a² = 441 - 225
a² = 216
a = √216
a = √36 × √6
a = 6√6 cm
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Jawaban:
b. 6√6
Penjelasan dengan langkah-langkah:
a² = 21² - 15²
a² = 441 - 225
a² = 216
a = √216
a = √36 × √6
a = 6√6 cm