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Which proportion can you use to find the value of a?



There is a right angle triangle whose base is a and hypotenuse is 18. There is segment start from right angle and perpendicular to hypotenuse. The hypotenuse divided into two parts. The largest part length is 16.


A. 34a=a16


B. A2=16a


C. A18=2a


D. 18a=a16