briiiilynn
briiiilynn
28-05-2021
Mathematics
contestada
Solve for the missing side
Respuesta :
waltergenius
waltergenius
28-05-2021
Step-by-step explanation:
12²=a²+9²
144=a²+81
a²=144-81
a²=63
a=√63
a=7.94
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