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Question
In figure 21, all intersections occur at right angles. What is the approximate perimeter of the polygon?
In figure 21, all intersections occur at right angles. What is the approximate perimeter of the polygon?
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Solution
The correct option is C 20.99
The perimeter is √23+√5+1+√3+(√23−4)/2+√3+2+√3+(√23−4)/2+√3+1+√5
Which gives perimeter equal to 2√5+4√3+2√23=20.99
The perimeter is √23+√5+1+√3+(√23−4)/2+√3+2+√3+(√23−4)/2+√3+1+√5
Which gives perimeter equal to 2√5+4√3+2√23=20.99
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