Question

If RX = 4 and XS = 9, then XT =
6
6.5
square root of 13
18

Answer 1

is this a triangle you're talking about...?

Answer 2

yes

Answer 3

if so, is it a right angled triangle...?

Answer 4

use that to label you're points then
R
X
S
and T ...?

Answer 5

as if it was a triangle it would only have 3 points