एका समभुज चौकोनाचे क्षेत्रफळ शोधा. ज्याचे कर्ण अनुक्रमे 24.6 सेमी आणि 28.6 सेमी आहेत.

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RRB Group D 27 Sept 2022 Shift 3 Official Paper
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  1. 351.78 सेमी2
  2. 703.56 सेमी2
  3. 657.46 सेमी2
  4. 251.78 सेमी2

Answer (Detailed Solution Below)

Option 1 : 351.78 सेमी2
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Detailed Solution

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दिलेल्याप्रमाणे:

कर्ण (d1,d2) = 24.6 सेमी, 28.6 सेमी

वापरलेले सूत्र:

समभुज चौकोनाचे क्षेत्रफळ \(= {d1 \times d2 \over 2}\)

गणना:

समभुज चौकोनाचे क्षेत्रफळ \(= {24.6 \:\times \: 28.6 \over 2}\)

समभुज चौकोनाचे क्षेत्रफळ \(= 351.78\) सेमी2

∴ समभुज चौकोनाचे क्षेत्रफळ '351.78 सेमी2' आहे.

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