2.
In A ABC, D and E are points on the sides AB and AC respectively such that
DE || BC. IF AD = 3cm, BD = 2cm, AE = 2.7cm, find AC.
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Step-by-step explanation:
in tri ABC we have Dand E are the midpoints of AB and AC resp..
AD/BD = AE /EC ( by thales theorem)y
3/2= 2.7/EC
EC = 1.8 cm
AC = 2×1.8
= 3.6 cm
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