Answer:
16
Step-by-step explanation:
Use a special rule: BD^2=AD*DC (the squared height in right triangle drawn to hypotenuse is equal to the product of the parts of hypotenuse on which height divides the hypotenuse) 12^2=9*DC
DC=16
Hole? It depends how big it is. Since there is no hole being depicted in this question, the answer is inexcusably 2ft
Answer:
5 Students with 3 Emails.
Step-by-step explanation:
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Okay I will help you with this but I will write it down on paper first