The area of a rectangular living room is 99 square feet. The width of the room is 9 feet. What is the perimeter of the room?
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- An isosceles triangle ABC
- AD is a bisector of ∠A
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- BD = DC
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- By ASA criteria ∆ABD congurant to ∆ADC
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- By CPCT ( corresponding parts of congurant triangle )
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