PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Kishore and Akhil work at the same office. They start for the office from their homes at B and C, respectively, to reach office A. Two roads, D and E, meets the roads AB and AC, and DE is parallel to BC. Their paths to the office form a triangular shape, as shown below.
 
14.svg
 
1. If AE = 3 kms, EC = 8 kms and DB = 18 kms, then the length of AD is  kms.
 
2. If AD = 4 kms, AE = 24 kms and AC = 36 kms, then the length of AB is  kms.
 
3. Is DE \parallel BC if AD = 6.75 \ kms, AE = 3 kms, EC = 8 kms and DB = 18 kms?
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