In abc, the angle bisectors meet at point d. point e is on ac, de and is perpendicular to ac . point f is the location where the perpendicular bisectors of the sides of the triangle meet. what is the radius of the largest circle that can fit inside abc?

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?