Answer: 15. B; 16. 10
Step-by-step explanation: The perpendicular bisector of a segment is the line, segment, or ray which meets the segment at its midpoint at a right angle. Since the right angle is labeled and the problems says M is the midpoint Ray MP is obviosly the perpendicular bisector. Since M is the midpoint if MR is 5 inches then GM is also 5 inches and this segment GR is 10 inches total