Oab is a sector of the circle having centre at o and radius 12cm. If angle aob = 45° , find the difference between the area of sector oab and sector aob
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the
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the answer will be 396 cm square
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first of all, you need to find the area of sector AOB
then, you need to find area of major sector OAB by subtracting area of sector AOB from area of circle and then find the difference between both sectors.
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