Respuesta :

length of two sides are 7 and 10

We have this rule:

sum of two sides of triangle > third side

let us check for given sides

7+2>10, 9>10 ( false)

7+1>10, 8>10 (false)

7+4>10, 11 >10 ( true)

so option C , third side = 4 is correct

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