Respuesta :

Answer: 24 cm

Step-by-step explanation:

Pythagorean theorem:

A^2+b^2=c^2

C^2=the hypotenuse (26 cm)

You just plug in what you have

10^2+b^2=26^2

100+b^2=676

Subtract 100 from both sides

B^2=576

Square root both sides

B=24