Question

Point U is on line segment TV. given UV=13 and TV=19, determine the length TU

Answer 1

6

Explanation:

TV(19)- UV(13) = TU(6)

Just draw a number line like this:

T---U----V

? ¹³

¹⁹

Answer 2

6

Explanation:

Since we know that U is on TV, this means that:

`TV=TU+UV`

We already know that UV is 13 and TV is 19. Substitute:

`19=TU+13`

Subtract 13 from both sides:

`TU=6`

And we're done!

Sketch:

T------------U--------------------------V