Point (4, 5) is the centre of a circle. A point (9, 11) is lying on a circle. Find the area of the circle.
In the figure (4,5) is the centre of the circle. ∴ Radius (r) = √((4-9)^2+(5-11)²) = √(25+36) = √61 ∴ Area of the circle = πr² = π(√61)² = 61π unit²
1)embellish
2)frugol
3)enormos
4)gregayrious
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