Step-by-step explanation:
By the geometric mean theorem,
12/9 = 9/x
-> x=81/12 = 27/4
Then by the Pythagorean theorem,
y=sqrt(9^2 + (27/4)^2), which you can probably calculate yourself.
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Answer:
whats the multiply choice
Step-by-step explanation:
Answer:
16
Step-by-step explanation: