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Verified answer
Kelas 8 MatematikaBab Lingkaran
R + r = √(jarak 2 titik pusat² - panjang garis singgung²)
7 + r = √(15² - 9²)
r = -7 + √(225 - 81)
r = -7 + √144
r = -7 + 12
r = 5 cm
Verified answer
Jawabannya:Mapel. : Matematika
Bab. : Lingkaran
Pembahasan:
R + r = √p² - d²
7 + r = √15² - 9²
7 + r = √225 - 81
7 + r = √144
r = -7 + 12
r = 5 cm → Jwbnya
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