రెండు సారూప్య త్రిభుజాల వైశాల్యం వరుసగా 324 సెం.మీ2 మరియు 289 సెం.మీ2. వాటి సంబంధిత ఎత్తుల నిష్పత్తి ఎంత?

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SSC CGL 2022 Tier-I Official Paper (Held On : 13 Dec 2022 Shift 3)
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  1. \(\frac{17}{18}\)
  2. \(\frac{17}{19}\)
  3. \(\frac{19}{17}\)
  4. \(\frac{18}{17}\)

Answer (Detailed Solution Below)

Option 4 : \(\frac{18}{17}\)
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Detailed Solution

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ఇచ్చినది:

రెండు సారూప్య త్రిభుజాల వైశాల్యం వరుసగా 324 సెం.మీ2 మరియు 289 సెం.మీ2.

ఉపయోగించిన భావన:

రెండు త్రిభుజాలు ఒకేలా ఉంటే, రెండు త్రిభుజాల వైశాల్యం యొక్క నిష్పత్తి వాటి సంబంధిత ఎత్తుల నిష్పత్తి యొక్క వర్గానికి అనులోమానుపాతంలో ఉంటుంది.

\({Area ~\triangle(ABC)\over {Area ~\triangle(DEF)}} = {[corresponding ~height~\triangle(ABC)]^2\over{[corresponding ~height~\triangle(DEF)]^2}}\)

గణన:

△ ABC = H1 యొక్క సంబంధిత ఎత్తును తెలియజేయండి

మరియు సంబంధిత ఎత్తు △ DEF = H2

\({Area ~\triangle(ABC)\over {Area ~\triangle(DEF)}} = {[corresponding ~height~\triangle(ABC)]^2\over{[corresponding ~height~\triangle(DEF)]^2}}\)

(H1)2 /(H2)2 = 324/289

⇒ H1/H2 = √324/√289

⇒ H1 /H2 = 18/17

∴ సరైన సమాధానం 18/17.

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