nomor 2,3,4,5 tolong

2. Maaf kurang tau
3. R = ( 4,0 )
4. Segitiga siku siku
5. b. Trapesium siku siku
C. Q ( 4, -3 )
R ( 8, -3 )
S ( 7, -6 )
T ( 4, -6 )
Maaf kalo salah