Area and Perimeter practice question for Railways, SSC. Review the correct answer and explanation, then continue with related practice below.
A square of side 28 cm has four quadrants of radius 14 cm drawn inside it, one from each corner. Find the area of the square not covered by the four quadrants. Use π = 22 7.
28 cm भुजा वाले एक वर्ग के चारों कोनों से 14 cm त्रिज्या के चार चतुर्थांश अंदर की ओर बनाए गए हैं।
चारों चतुर्थांशों से न ढके वर्ग के भाग का क्षेत्रफल ज्ञात कीजिए। π = 22
7 का प्रयोग कीजिए।
Answer and explanation are free to read — no sign-in required.उत्तर और व्याख्या पढ़ने के लिए साइन-इन आवश्यक नहीं है।
Correct Answerसही उत्तर
B. 168 cm²B. 168 सेमी²
Explanationव्याख्या
Four quadrants together form one complete circle of radius 14 cm.
Square area = 28² = 784 cm².
Area of four quadrants = π × 14² = 616 cm².
Uncovered area = 784 − 616 = 168 cm².
चारों चतुर्थांश मिलकर 14 cm त्रिज्या का एक पूरा वृत्त बनाते हैं।
वर्ग का क्षेत्रफल = 784 सेमी²।
चतुर्थांशों का कुल क्षेत्रफल = 616 सेमी²।
शेष क्षेत्रफल = 168 सेमी²। ---
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