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Verified answer
MAPEL : MATEMATIKAKELAS : VIII
BAB : GARIS SINGGUNG LINGKARAN
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Diketahui :
↪GL = 12 cm
↪d = 13 cm
↪R = 3½ cm = 3,5
Ditanya :
↪Jari jari lain nya (r) =...?
Jawaban :
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(r - R) ² = d² - GL²
(r - 3,5) ² = 13² - 12²
(r - 3,5) ² = 169 - 144
(r - 3,5) ² = 25
r - 3,5 = √25
r - 3,5 = 5
r = 5 + 3,5
r = 8,5✔
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