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200 Qs. 200 Marks 180 Mins
Given:
The diameter of circle first = 16 cm
The diameter of circle second = 10 cm
Formula used:
Area of circle = πr2
Area of region between the circle = Area of circle - Area of second circle
Calculation:
Radius of first circle = The diameter of circle first/2 = 8 cm
⇒ Area of first circle = π × 82 = 64π
Radius of first circle = The diameter of circle first/2 = 5 cm
⇒ Area of first circle = π × 52 = 25π
Area of region between the circle = 64π - 25π = 39π
∴ The area between the region is 39π.
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