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Two circles of radius 15 cm and 20 cm respectively have the distance between their centres as 25. what is the length of the common chord ?

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by namku

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by namku

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The Brainliest Answer!

Area =

Another way to obtain the same area is by considering as base, then the height is half of the common chord; call the height, :

Area =

Set both areas equal to each other and solve the length of common chord, :