The corners of rectangle with length 4 and breadth 3 are on a circle.find the area of the circle

Given : length of rectangle l=4 unitsbreadth of rectangleb=3 units Now diagonal d of rectangle=l2+b2=42+32=16+9=5 unitsNow diagonal of rectangle =diameter of circlediameter of circle=5 unitsSo, radius of circler=diameter of circle2=52Area of circle=πr2=3.14×2.5×2.5=19.625 sq. units

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Now we have found that radius of circle is 2.5 cm. Area of circle = 22/7 ? (2.5)?(2.5) = 22/7 ? 6.25 = 19.65 cm square (approx)

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