Find the sum of Radius of circumcircle and incircle of right-angled triangle whose perpendicular sides are x and y

Find the sum of Radius of circumcircle and incircle of right-angled triangle whose perpendicular sides are x and y
Answer: Option B

Find the sum of Radius of circumcircle and incircle of right-angled triangle whose perpendicular sides are x and y
Answer: Option B