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Verified answer
R1 = R2 = 4,5 cmP = 15 cm
Ditanya D??
Jawaban
D² = P² - (R1 + R2)²
D² = 15² - (4,5 + 4,5)²
D² = 225 - (9)²
D² = 225 - 81
D² = 144
D = √144
D = 12 cm
➡PGSPD = 12 cm
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