Which formula is used to find the area of a circle when given the radius?(1 point)%0D%0AResponses%0D%0A%0D%0AA=πd2%0D%0Aupper A equals d squared%0D%0A%0D%0AA=π2r%0D%0Aupper A equals 2 r%0D%0A%0D%0AA=πr2%0D%0Aupper A equals r squared%0D%0A%0D%0AA=πr please say the answer
