Respuesta :

Answer:

Step-by-step explanation:

Right angled triangle. To find the missing side use Pythagorean theorem.

Base² + altitude² = hypotenuse²

7² + x² = 23.2²

49 + x² = 538.24

        x² = 538.24 - 49

        x² = 489.24

Take square root,

x =[tex]\sqrt{489.24}[/tex]

x = 22.1 mm