Question
Download Solution PDFABC இல், என்பது A இன் இரு சமவெட்டி மற்றும் D என்பது இல் ஒரு புள்ளியாகும். m ( ) = 4.2 செ.மீ, m ( ) = 4 செ.மீ மற்றும் m ( ) = 7 செ.மீ எனில், m ( ) ஐக் கண்டறியவும்.
ABC இல்,
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFகொடுக்கப்பட்டவை:
\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)
கணக்கீடு:
DC = BC - BD = 7 - 4 = 3 செ.மீ
கோண இருமுனை தேற்றத்தின்படி:
AB : AC = BD : DC
⇒ AB : 4.2 = 4 : 3
⇒ AB = 4 × 4.2/3
⇒ AB = 5.6 cm
எனவே, தேவையான மதிப்பு 5.6 செ.மீ.
Last updated on Jul 18, 2025
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