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Please help asap 35 pts

Please help asap 35 pts-example-1

2 Answers

5 votes
Let original side length = x Then:-

(x + 7)^2 = 169

x + 7 = 13
x = 6 m
User Kiwicopple
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7 votes
D. 6 meters. If you add 7 meters to that, it becomes 13 meters for all sides. 13^2=169m^2. So, 6 meters was the original length.
User Timotimo
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