Computer Science A - circle.h - 2/28/00 Append to file: circle.h public: float getRadius(); const circle& operator = (const circle& ); const circle& operator += (const circle& ); //free functions circle operator + (const circle&, const circle& ); float circle::getRadius() { return radius; } ///////////////////////////////////////////////////////////////////// const circle& circle :: operator = (const cirlce& otherCircle) { radius = otherCircle.radius; } ///////////////////////////////////////////////////////////////////// const cirlce& circle :: operator += (const circle& otherCircle) { radius = radius + otherCircle.radius; } ///////////////////////////////////////////////////////////////////// circle operator + (const circle& lhs, const circle& rhs) { circle answer(lhs); answer += rhs; return answer; }