N=5. All the angles of a triangle equal 180 degrees. So set all of your angles equal to 180. 6n+1+9n-4+108= 180. Combine like terms. 15n-3+108=180. Now subtract 108 and add 3 to the opposite side. 15n=75. Then divide 75 by 15. The answer is five!
Answer:
4.5 is the answer 9/2=4.5
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Answer:
draw it 4 by 2 4=length 2=width
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