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Verified answer
GARIS SINGGUNG PERSEKUTAN LUARGSPL = 12 cm
JP = 13 cm
R = 8
r = ?
Jwb
GSPL^2 = JP^2 - (R-r)^2
12^2 = 13^2 - (8-r)^2
144 = 169 - (8-r)^2
(8-r)^2 = 169- 144
(8-r)^2 = 25
8-r = √25
8-r = 5
8-5 = r
3 = r
smoga membantu
Verified answer
Maka jari jari lingkaran yang lain adalah 3 cm