mylife1872
mylife1872
08-09-2016
Mathematics
contestada
what's the answer and how do I do the work
Respuesta :
ashleyledeay
ashleyledeay
09-09-2016
a^2 +b^2=c^2
16^2 + ?=20^2
256+?=400
400-256=144
take square root of 144 & it is 12
x=12
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