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Sagot :
Answer:
- 40% increase
Step-by-step explanation:
Initial perimeter:
- P = 2(4 + 6) = 20
Perimeter after change:
- P = 2(4*2 + 6) = 28
Change in perimeter:
- 28- 20 = 8
Percent change:
- 8/20*100% = 40%
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