P అనేది దీర్ఘచతురస్రం ABCD లోపల ఏదైనా బిందువు. ఒకవేళ PA = 27 సెం.మీ , PB = 21 సెం.మీ, PC = 6 సెం.మీ , అప్పుడు PD ( సెం.మీ లో) పొడవు దేనికి సమానం:

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RRB Group D 1 Sept 2022 Shift 2 Official Paper
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  1. 15
  2. 10
  3. 12
  4. 18

Answer (Detailed Solution Below)

Option 4 : 18
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ఇచ్చినది

PA = 27 సెం.మీ, PB = 21 సెం.మీ, PC = 6 సెం.మీ

ఉపయోగించబడిన భావన

PA2 + PC2 = PB2 + PD2

గణన

F3 SSC Savita 25-01-24 D2

⇒ PA2 + PC2 = PB2 + PD2

⇒ 272 + 62 = 212 + PD2

⇒ 729 + 36 = 441 + PD2

⇒ PD2 = 324

PD = 18 సెం.మీ

సమాధానం 18 సెం.మీ.

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