Answer:
[tex]TV=38\ units[/tex]
Step-by-step explanation:
The picture of the question in the attached figure
we know that
The figure shows a kite
The kite has two pairs of consecutive and congruent sides and the diagonals are perpendicular
That means
TS=VS
TQ=VQ
TR=RV
we have
[tex]VS=39\ units[/tex]
[tex]TS=6x-3[/tex]
so
[tex]6x-3=39[/tex]
solve for x
[tex]6x=39+3\\6x=42\\x=7[/tex]
Find the value of RV
[tex]RV=2x+5[/tex]
substitute the value of x
[tex]RV=2(7)+5=19\ units[/tex]
Remember that
[tex]TV=TR+RV[/tex] ---> by segment addition postulate
we have
[tex]TR=RV=19\ units[/tex]
so
[tex]TV=19+19=38\ units[/tex]