Question
Download Solution PDFΔABC-তে D এবং E হল যথাক্রমে AC এবং BC বাহুর বিন্দু, এমনভাবে যাতে DE || AB হয়, F হল CE এর একটি বিন্দু এমনভাবে যাতে DF ∥ AE হয়, যদি CE = 6 সেমি, এবং CF = 2.5 সেমি হয়, তাহলে BC এর সমান কত?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFΔCAE তে
CF/CE = CD/AC
CD/AC = 2.5/6 = 25/60
⇒ CD/AC = 5/12 ------ 1)
ধরি CF = 5x এবং CE = 12x
ΔCAB তে,
CE/BC = CD/AC
CD/AC = 6/BC ------ 2)
সমীকরণ (1) এবং সমীকরণ (2) থেকে পাই
6/BC = 5/12
⇒ BC = (12 × 6)/5
⇒ BC = 72/5
⇒ BC = 14.4
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