Question

if T is the midpoint of SU, find the values of x and ST

Answer 1

T is the midpoint of the line, meaning that in line SU, line ST and line TU are of equal length, since T is at the middle of the line.

$9x=4x+25$

$5x=25$

$x=5$

$ST=9x$

$ST=9*5$

$ST=45$

Hope this helps. 頑張って!

Answer 2

9x=4x+25
5x=25
X=5
9(5)
ST=45