Arthur earned 136$ in three weeks. He goes back to school in one more week. He needs at least 189$ to buy the new coat they he w
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The easiest way to do this is to plot the points. I used the pythagorean theorem for this one, too. Add the side lengths to get the perimeter: 5 + 5 + 5 + 3 + √40 = 24.32455532 units or just 24 units.
