A city planning engineer in Cleveland must check the 10 angles that make up the three intersections on the map of downtown. If any of the angles formed by the intersections of the streets is greater than 135°, different road signs have to be used due to a new rule created by city council. She knows <CED = 52° and <FJG = 64°, so she knows she will NOT need a protractor to measure the unknown angles.

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