Area and Perimeter practice question for Railways, SSC. Review the correct answer and explanation, then continue with related practice below.
A circle is inscribed in a square, and another square is inscribed in that circle. If the side of the outer square is 28 cm, find the area between the two squares.
एक वर्ग के अंदर एक वृत्त अंकित है और उस वृत्त के अंदर एक अन्य वर्ग अंकित है।
यदि बाहरी वर्ग की भुजा 28 cm है, तो दोनों वर्गों के बीच के क्षेत्र का क्षेत्रफल ज्ञात 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
C. 392 cm²C. 392 सेमी²
Explanationव्याख्या
Outer square area = 28² = 784 cm².
Diameter of circle = 28 cm, which is also the diagonal of the inner square.
Inner square area = diagonal²
2 = 28²
2 = 392 cm².
Difference = 784 − 392 = 392 cm².
बाहरी वर्ग का क्षेत्रफल = 784 सेमी²।
अंदर के वर्ग का विकर्ण = 28 सेमी।
अंदर के वर्ग का क्षेत्रफल = 28²
2 = 392 सेमी²।
अंतर = 392 सेमी²। ---
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