a.buktikan bahwa PQR dan PST sebangun! b.Hitunglah panjang PQ,PS, dan RT!

a) bukti :
< SPT = < QPR (sekutu/berimipit)
< PST = < PQR (sehadap)
< PTS = < PRQ (sehadap)

b) PS/PQ = PT/PR = ST/QR
(3+PQ)/PQ = (4+RT)/4 = 9/6

untuk mencari RT
(4+RT)/4 = 9/6
6(4+RT) = 36
24 + 6RT = 36
6RT = 36-24
RT = 12/6
RT = 2

PT = 4 + RT
PT = 4 + 2
PT = 6

untuk mencari PQ
PS/PQ = PT/PR
(3+PQ)/PQ = 6/4
4(3+PQ) = 6PQ
12 + 4PQ = 6PQ
12 = 2PQ
PQ = 6

untuk mencari PS
PS = 3+PQ
PS = 3 + 6
PS = 9