एक समांतर चतुर्भुज की दो भुजाओं की लंबाई 3 सेमी और 10 सेमी है। समांतर चतुर्भुज के विकर्णों के वर्गों का योग क्या है?

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SSC CGL Tier 2 Quant Previous Paper 1 (Held On: 15 November 2020)
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  1. 218 सेमी2
  2. 109 सेमी2
  3. 169 सेमी2
  4. 206 सेमी2

Answer (Detailed Solution Below)

Option 1 : 218 सेमी2
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Detailed Solution

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दिया गया है:

समांतर चतुर्भुज की पहली भुजा = 3 सेमी

समांतर चतुर्भुज की दूसरी भुजा = 10 सेमी

प्रयुक्त अवधारणा:

एक समांतर चतुर्भुज के विकर्णों के वर्गों का योग इसकी भुजाओं के वर्गों के योग के बराबर होती है

गणना:

मान कि समांतर चतुर्भुज ABCD है,

AB = 3 सेमी

BC = 10 सेमी

CD = 3 सेमी

DA = 10  cm 

अवधारणा का उपयोग करने पर,

विकर्णों के वर्गों का योग = (AB2 + BC2 + CD2 + DA2)

⇒ (32 + 102 + 32 + 102)

⇒ (9 + 100 + 9 + 100)

⇒ 218

समांतर चतुर्भुज के विकर्णों के वर्गों का योग 218 सेमी2 है।

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