Question
Download Solution PDFABCD ഒരു സമാന്തര ചതുഷ്കോണവും, AC, BD എന്നിവ O ബിന്ദുവിൽ പരസ്പരം ഛേദിക്കുന്ന വികർണ്ണങ്ങളും ആണെങ്കിൽ, AC : BD എന്നത് ഇതാണ്:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFO എന്നത് വികർണ്ണങ്ങൾ പരസ്പരം ഛേദിക്കുന്ന ഒരു ബിന്ദുവാണ്,
AB ∥ CD
ΔOAB, ΔOCD എന്നിവയിൽ
∠OAB = ∠OCD,
∠OBA = ∠ODC,
∠AOB = ∠COD,
⇒ ΔOAB, ΔOCD എന്നിവ സമാനമാണ്.
⇒ OA/OC = OB/OD ----(1)
⇒ OA/OC + 1 = OB/OD + 1
⇒ AC/OC = BD/OD
⇒ AC/BD = OC/OD ----(2)
OA/OC = OB/OD = α (ആകട്ടെ)
⇒ OA = αOC, OB = αOD
⇒ OA – OC = αOC – OC = OC(α - 1),
OB – OD = αOD – OD = OD(α - 1)
⇒ (OA – OC) / (OB – OD) = {OC(α - 1)}/{OD(α - 1)}
= OC/OD
∴ AC/BD = (OA – OC) / (OB – OD)Last updated on Jun 11, 2025
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