smellyallen1001
smellyallen1001
09-06-2020
Mathematics
contestada
I need help with this question.
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mkarikari1850
mkarikari1850
09-06-2020
12^2 + 9^2 = x^2
144 + 81 = x^2
225 = x^2
√225 = √x^2
x = 15
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