In ABC, DE || BC. If AD = 8 cm, EC = 4 cm, DB = 5 cm, then AE is equal to
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AD = 8 cm
EC = 4 cm
DB = 5 cm
DE parallel to BC
Step-by-step explanation:
by Thales theorem,
AD/DB = AE/EC
8/5 = AE/4
20 = 5 AE
AE = 20/5
AE = 4
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