यदि किसी वर्ग की भुजा 7 m है, तो उसका क्षेत्रफल ज्ञात कीजिए।

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Bihar STET TGT (English) Official Paper-I (Held On: 05 Sept, 2023 Shift 1)
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  1. 49 वर्ग मीटर
  2. 48 वर्ग मीटर
  3. 45 वर्ग मीटर
  4. 42 वर्ग मीटर

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Option 1 : 49 वर्ग मीटर
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Bihar STET Paper 1 Social Science Full Test 1
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दिया गया है

वर्ग की भुजा = 7 m

प्रयुक्त सूत्र

क्षेत्रफल = a2, जहाँ a = भुजा

गणना

क्षेत्रफल = 72 = 49 m2

उत्तर 49 mहै

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