Given that QT is a median of triangle QRS, find RS.
A.
2
B.
4
C.
9
D.
18
Answer:
D. 18
Step-by-step explanation:
RT = TS
7x - 5 = 3x + 3
4x = 8
x = 2
RS = RT + TS
RS = 3x + 3 + 7x - 5
RS = 10x - 2
RS = 10(2) - 2
RS = 20 - 2
RS = 18