D and E are points on the sides AB and AC respectively
of a triangle ABC such that DE parallel BC. If AD/DB = 4/7 and
AC = 6.6cm find AE.
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Answer:
the ans is 2.4cm
Step-by-step explanation:
AC = 6.6cm and EC = AC - AE
•: AD/DB = AE/EC
4/7 = AE/(AC-AE)
4(AC-AE) = 7×AE
4AC - 4AE = 7AE
4(6.6) = 7AE + 4AE
11AE = 26.4
AE = 26.4/11
AE = 2.4cm
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