Respuesta :

Answer:

Step-by-step explanation:

1) learn the Pythagoras theorem which is [tex]a{2} +b{2} =c{2}[/tex]

2) to work out the longest length you do [tex]4^2+3^2[/tex] which is 25

3) than you do the square of 25 which is 5 so the answer is 5

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