Respuesta :

Answer:

The triangle should be 4 inches tall

Step-by-step explanation:

We can write a proportion to solve.  Put the height over the width

20           x

------- = -----------

5              1

Using cross products

20*1 = 5*x

20 = 5x

Divide by 5

20/5 = 5x/5

4 =x

The triangle should be 4 inches tall