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1. As shown in the figure, it is known that there are two points c and D on the line AB, and AC = BD, m and N are the midpoint of the line AC and ad respectively, if AB = ACM 1. As shown in the figure, it is known that there are two points c and D on the line AB, and AC = BD, m and N are the midpoint of the line AC and ad respectively, if AB = ACM, AC = BD = BCM, and a and B satisfy (A-10) & sup2; + L2 / b-4l = 0 l___ l___ l___ l___________ l________ l A N D M C B (1) Find the length of AB and AC (2) Find the length of line Mn Write the title number clearly
1. As shown in the figure, it is known that there are two points c and D on the line AB, and AC = BD, m and N are the midpoint of the line AC and ad respectively. If AB = ACM, AC = BD = BCM, and a and B satisfy (A-10) 2 + L2 / 2 b-4l = 0
l___ l___ l___ l___________ l________ l
A N D M C B
(1) Find the length of AB and AC
B-4l = 0, ab = a = 10, AC = b = 8
(2) Find the length of line Mn
MN=1/2AC-1/2AD=4-1/2(AB-BD)=4-1=3
RELATED INFORMATIONS
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