Respuesta :

vihankalsi

Answer:

21

Step-by-step explanation:

root 35 squared - 28 squared (pyto theorem)

root (35-28)(35+28) - difference of sqaure theroum

= 7(63) = root (7*7*3*3)

= 7*3= 21

if my answer helps please mark as brainliest.

Answer:

21

Step-by-step explanation:

I am the alt reeeeeeee

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