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Verified answer
R = 7 cmr = 5 cm
JP = 15 cm
GSPD
= √JP² - √(R+r)²
= √15² - √12²
= √225 - √144 = √81 = 9 cm
Verified answer
R = 5 cmR = 7 cm
p = 15 cm
l^2 = p^2 - (R + r)^2
l^2 = 15^2 - (7 + 5)^2
l^2 = 15^2 - 12^2
l^2 = 225 - 144
l^2 = 81
l = V81
l = 9 cm
Jadi panjang garis singgung persekutuan dalam lingkaran tersebut adalah 9 cm