समभुज चौकोनाची परिमिती 120 मीटर आहे आणि कोणत्याही दोन समांतर बाजूंमधील अंतर 15 मीटर आहे. समभुज चौकोनाचे क्षेत्रफळ किती असेल?

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NTPC CBT-I (Held On: 12 Jan 2021 Shift 1)
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  1. 450 चौरस सेमी
  2. 450 चौरस मीटर
  3. 4.5 चौरस मीटर
  4. 45 चौरस मीटर

Answer (Detailed Solution Below)

Option 2 : 450 चौरस मीटर
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दिलेल्याप्रमाणे:

समभुज चौकोनाची परिमिती = 120 मीटर 

गणना:

समभुज चौकोनाच्या प्रत्येक बाजूची लांबी = 120/4 = 30 मीटर 

समभुज चौकोनाची उंची = 15 मीटर 

समभुज चौकोनाचे क्षेत्रफळ = लांबी x उंचीचा पाया

= 30 x 15

= 450 चौरस मीटर

∴ समभुज चौकोनाचे क्षेत्रफळ 450 चौरस मीटर आहे

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