rubiconejo89
rubiconejo89
08-06-2021
Mathematics
contestada
Can pls someone help I need help
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peto11226
peto11226
08-06-2021
a^2 + b^2 = c^2
9^2 + b^2 = 15^2
81 + b^2 = 225
225 - 81 = b^2
144 = b^2
square root of 144 = 12
b = 12
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