4. If in triangle ABC, DE || BC and AE/EC = 3/7 and AB = 10 cm, find AD .
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Refer to the attachment for diagram of the question
Let's solve
Here if DE II BC, then by BPT,
=> AD/DB = AE/EC
Replacing values
=> AD/(10 - AD) = 3/7
=> 7AD = 30 - 3AD
=> 10AD = 30
=> AD = 3 cm <<<<<<<<< Answer
________________
Hope this helps ✌️
Good Morning
As promised I am here to help you
Difficulty Level : Below Average
Chances of being asked in Board : 50%
__________________
Refer to the attachment for diagram of the question
Let's solve
Here if DE II BC, then by BPT,
=> AD/DB = AE/EC
Replacing values
=> AD/(10 - AD) = 3/7
=> 7AD = 30 - 3AD
=> 10AD = 30
=> AD = 3 cm <<<<<<<<< Answer
________________
Hope this helps ✌️
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VijayaLaxmiMehra1:
(AD/ 10 - AD) here how it come - AD
here AB=10
AB=AD+DB
put AB value
DB= 10-AD
Oh I got it
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this is your answer please mark this as brainiest
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