Respuesta :

reganrichardson05

Answer:

20

Step-by-step explanation:

a²+b² = c²

16²+12² = 400²

christy3085

20 millimetres

Step-by-step explanation:

12 square plus 16 square is 144 plus 256. 400 is the hypotenuse square. 400 by a square root will be equal to 20 millimeters.

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