In ΔABC, D and E are the midpoints of sides BC and AC, respectively. AD and BE intersect at G at right angle. If AD = 18 cm and BE = 12 cm, then the length of DC (in cm) is:

In ΔABC, D and E are the midpoints of sides BC and AC, respectively.

1.	In ΔABC, D and E are the midpoints of sides BC and AC, respectively. AD and BE intersect at G at right angle. If AD = 18 cm and BE = 12 cm, then the length of DC (in cm) is:
A.	10
B.	6
C.	9
D.	8
Answer» B. 6

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In ΔABC, D and E are the midpoints of sides BC and AC, respectively. AD and BE intersect at G at right angle. If AD = 18 cm and BE = 12 cm, then the length of DC (in cm) is:

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