isabella85669
isabella85669
20-12-2020
Mathematics
contestada
What is the length of AC?
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coisalegal24
coisalegal24
20-12-2020
7/x = 84 / (156 -x)
84x = 7(156 -x)
84x = 1092 - 7x
91x = 1092
x = 12
AC = 156 - 12 = 144
answer
D. 144
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