Question

Tolong jawab pertanyaan di gambar ini , disertai rumus yang mudah dimengerti

Answer 1

PR/ST = PQ/QT
12/8 = (6 + x)/6
3/2 = (6 + x)/6

2(6 + x) = 3.6
12 + 2x = 18
2x = 18 - 12
2x = 6
x = 6/2
x = 3

x = PT = 3 cm