ditanya : nilai y........
Matematika
1ABC1
Pertanyaan
ditanya : nilai y........
1 Jawaban
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1. Jawaban isnani18
(4y)² + 12² = (5y)²
16y² + 144 = 25y²
25y² - 16y² = 144
9y² = 144
y² = 144/9
y² = 16
y = √16
y = 4