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shubhamsrgBest ResponseYou've already chosen the best response.0
what is the radius of the circle : x^2 + y^2 = a^2 ??
 one year ago

jayz657Best ResponseYou've already chosen the best response.2
solve for y and get y = sqrt(a^2x^2) < equation for a semi circle integrate this from a to a dw:1352793815172:dw once you integrate it you will get \[\Pi a^2 / 2 \] since you found the area of a semicircle multiply it by 2 to get the area of the circle which is \[\Pi a^2\]
 one year ago

joelmwaBest ResponseYou've already chosen the best response.0
thanks jayz657 @shubhamsrg the r is not given its just proving if the area of circle given equals pi a^2
 one year ago
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