Answer:
306m
Explanation:
You need to find the perimeter of the rectangle. To do that, you just add the side lenghts. So, this is your lawn with the side lengths:
55m
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98m | | 98m
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_____________
55m
You just add them together!
55 + 55 + 98 + 98 = 306
so you need 306 meters of fencing