P 15 cm 15 cm R Q 5 cm 6 cm S T Pada gambar diatas. Berapa panjang PR ?
2. PQ = 15 cm, QS = 5 cm, RT = 6 cm, QR = 15 cm
[tex] \frac{pq}{qs} = \frac{pr}{rt} \\ \frac{15}{5} = \frac{pr}{6} [/tex]
15.6 = 5PR
90 = 5PR
PR = 18 cm
[answer.2.content]