Respuesta :

1.no 2. no 3. yes
1 does not add to 90, neither does number 2. number 3 has three values that add to 90 degrees
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Answer:

yes, yes, no

Step-by-step explanation:

28squared+34squared=2809 find the square root and it equals 53

4.5squared+6squared=56.25, square root equals 7.5

20squared+30 squared=1300, square root is 36.5, so its wrong