berhadiah 8 poin!!!Please tolong bantu jawab pelajaran guru KILLER besok harus di kumpulin!!pakai cara

jawb
Kesebangunan

ΔPQR ~~ ΔPST
<P = <P
<R = <T
<Q = < S

PR/QR = PT/ST
(10+5) /(10) = PT/6)
15/10 = PT/6
PT = 6(15)/(10)
PT = 90 /10
PT = 9 cm