రెండు సారూప్య త్రిభుజాల యొక్క రెండు అనూరుప భుజాలు, 9 ∶ 4 నిష్పత్తిలో ఉంటే, వాటి వైశాల్యాల నిష్పత్తి ఎంత?

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SSC CGL Memory Based Test (Held on: 14 July, 2023) (All Shifts)
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  1. 9 ∶ 4
  2. 3 ∶ 2
  3. 81 ∶ 16
  4. 27 ∶ 8

Answer (Detailed Solution Below)

Option 3 : 81 ∶ 16
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Detailed Solution

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ఉపయోగించిన భావన:

రెండు త్రిభుజాలు ఒకేలా ఉంటే,

వాటి వైశాల్యాల నిష్పత్తి = వాటి భుజాల నిష్పత్తి యొక్క వర్గం

గణన:

ఇచ్చిన,

సారూప్య త్రిభుజం యొక్క భుజాల నిష్పత్తి 9 : 4

పై భావనను ఉపయోగించి,

\(\frac{Area\ of\ triangle\ 1}{Area\ of\ triangle\ 2}\ =\ \frac{(Side\ of\ triangle\ 1)^{2}}{(Side\ of\ triangle\ 2)^{2}}\)

\(\frac{9^{2}}{4^{2}}\ =\ \frac{81}{16}\)

∴ వైశాల్యాల నిష్పత్తి 81 : 16.

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