दी गई आकृति में यदि PO || RS, तो x का मान है -

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Rajasthan 3rd Grade Level 1 Official Paper (Held On: 25 Feb, 2023 Shift 1)
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  1. 42
  2. 74
  3. 106
  4. 126

Answer (Detailed Solution Below)

Option 1 : 42
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Rajasthan 3rd Grade (Level 1) Full Test 11
150 Qs. 300 Marks 150 Mins

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<p><strong>दिया गया है:</strong></p><p>PQ || RS (PQ, RS के समानांतर है)</p><p>∠1 = (3x - 20)°</p><p>∠2 = (2x - 10)°</p><p><strong>प्रयुक्त अवधारणा:</strong></p><p>जब दो समांतर रेखाओं को एक तिर्यक रेखा प्रतिच्छेद करती है, तो क्रमागत अंतः कोण संपूरक होते हैं। इसका अर्थ है कि क्रमागत अंतः कोणों के मापों का योग 180° होता है।</p><p>दी गई आकृति में, (3x - 20)° और (2x - 10)° वाले कोण क्रमागत अंतः कोण हैं।</p><p><strong>गणना:</strong></p><p>क्रमागत अंतः कोणों की अवधारणा के अनुसार:</p><p>(3x - 20)° + (2x - 10)° = 180°</p><p>समान पदों को मिलाएँ:</p><p>3x + 2x - 20 - 10 = 180</p><p>5x - 30 = 180</p><p>5x = 180 + 30</p><p>5x = 210</p><p>x = 210 / 5</p><p>x = 42</p><p><strong>इसलिए, x का मान 42 है।</strong></p> - halleshangoutonline.com
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