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What is the measure of ac? 5 units 13 units 26 units 39 units

What is the perimeter of square abcd? units units 28 units 37 units

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?