tolong bantu aku pake caranya please

Penyelesaian:
Diket.:
BQ = R = 6 cm
OP = r = 2 cm
OB = k = 17 cm
Ditanya:
PQ = d = ....?
Jawab:
d = √ k² - (R - r)²
d = √ 17² - (6 + 2)²
d = √ 17² - 8²
d = √ 289 - 64
d = √ 225
d = 15 cm

Semoga bisa membantu...