Respuesta :

The answer is 6.3 units.

calculista

we know that

If △VAT≅△BDT, then the corresponding sides will be congruent

[tex]VT=BT\\VA=BD\\ AT=DT[/tex]

we have

[tex]VT=6.3\ unit\\VA=3.7\ unit\\AT=4.7\ unit[/tex]

so

[tex]BT=6.3\ unit[/tex]

therefore

the answer is

[tex]BT=6.3\ unit[/tex]