AP Police Constable practice question
The circumference of a circle is 1408 cm. Find its area. (Use π = 22/7)
From a AP Police Constable Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (A) 157696 cm²
Circumference = 2πr = 1408 cm, so r = 1408 × (7/44) = 224 cm. Area = πr² = (22/7) × 224 × 224 = 157696 cm².
हिंदी में प्रश्न
एक वृत्त की परिधि 1408 सेमी है। उसका क्षेत्रफल ज्ञात कीजिए। (π = 22/7 का प्रयोग करें)
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 157696 सेमी²
परिधि = 2πr = 1408 सेमी, इसलिए r = 1408 × (7/44) = 224 सेमी। क्षेत्रफल = πr² = (22/7) × 224 × 224 = 157696 सेमी² है।
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