WILL GIVE BRAINLIEST!! Find the missing length of the triangle. Show your work.

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
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