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 cm ) of the annular portion between the two circles?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 25π
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Understanding |
Application |
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R2 – r2 = 52 Area between the two circle = = πR2– πr2 = π × 52 = 25π |
