Bagian A
y² = 4² + 4²
y² = 16 + 16
y² = 32
y = √32
y = √16 × √2
y = 4√2
Bagian B
y² = 12² - 8²
y² = 144 - 64
y² = 80
y = √80
y = √16 × √5
y = 4√5
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Bagian A
y² = 4² + 4²
y² = 16 + 16
y² = 32
y = √32
y = √16 × √2
y = 4√2
Bagian B
y² = 12² - 8²
y² = 144 - 64
y² = 80
y = √80
y = √16 × √5
y = 4√5