Respuesta :

R=25
a^2+b^2=c^2
7^2+24^2c^2
49+576=c^2
625=c^2
c=25

Answer:24

Step-by-step explanation:

s2+t2=r2

(7cm)2+t2=(25cm)2

49cm2+t2=625cm2

t2=625cm2

t2=625cm2-49cm2

t2=576cm2

t=24cm2