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Question
Find the perimeter of the given polygon:
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Solution
Perimeter = Sum of sides =x2−3x+8+x2+2x−3+x+4+x−1+5x−7 =x2+x2−3x+2x+x+x+5x+8−3+4−1−7 =2x2+6x+1
=x2−3x+8+x2+2x−3+x+4+x−1+5x−7
=x2+x2−3x+2x+x+x+5x+8−3+4−1−7
=2x2+6x+1
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