plz see the photo n answer my following questions ..
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Step-by-step explanation:
Ans. 1.43 = AE
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Answer:
given: DE║BC, AD/DB = 5/8, AC = 3.7 cm
to find: the length of AE
solution: AC = AE+EC [let AE = x, EC = y]
3.7 = x + y
y = 3.7 - x
⇒ EC = 3.7 - x
In Δ ABC, DE║BC
∴ AD/DB = AE/EC [BPT]
5/8 = x/(3.7 - x)
5(3.7-x) = 8*x
18.5 - 5x = 8x
18.5 = 8x + 5x
18.5 = 13x
x = 18.5/13
x = 1.42 [approx.]
AE = 1.42
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