Question
A chord of the larger among two concentric circles is
of length 10 cm and it is tangent to the smaller circle. What is the area (in cm²) of the annular portion between the two circles?Solution
The correct answer is B
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43 ? 45 39 47 37
...(45)2 ÷ ∛729 + (35)2 ÷ 1.4 =?
31     35      60     124      ?      441
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...398Â Â Â 308Â Â Â 228Â Â Â 158Â Â Â 98Â Â Â ?
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...
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