*70 मी त्रिज्येच्या वर्तुळाकार बागेला चार पदरी तारेचे कुंपण घालण्यासाठी किती लांबीची तर पुरेल?*
1️⃣ 440 मी
2️⃣ 880 मी
3️⃣ 1760 मी
4️⃣ 1320 मी
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Given : 70 मी त्रिज्येच्या वर्तुळाकार बागेला
A circular garden with a radius of 70 m
To Find : चार पदरी तारेचे कुंपण घालण्यासाठी किती लांबीची तर पुरेल
How long wire required to fence 4 times
1️⃣ 440 मी
2️⃣ 880 मी
3️⃣ 1760 मी
4️⃣ 1320 मी
Solution:
To fence one time wire required = 2πR
= 2(22/7) ( 70)
= 44 (10)
= 440 m
To fence 4 time wire required = 4 * 440
= 1760 m
= 1760 m long wire required
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