Respuesta :

I’m going to use Pythagorus theorem for his question. // firstly I would do 20^2 + 16^2 = 656 // we them square root that number, so the square root of 656 is 25.61, meaning the missing length is 25.6

Answer: the missing length is 12

Step-by-step explanation:

3 , 4 , 5 each x4 = 12 , 16 , 20