1 votes 1 votes two equal circles intersect at A and B and distance between their centres is 40 cm. Distance between A and B is 30 cm then find the radius of circle. barhkabhijeet asked Aug 18, 2017 barhkabhijeet 1.3k views answer comment Share Follow See all 5 Comments See all 5 5 Comments reply Tesla! commented Aug 18, 2017 reply Follow Share Is it 15 cm? 0 votes 0 votes just_bhavana commented Aug 18, 2017 reply Follow Share It should be 25 cm 1 votes 1 votes saxena0612 commented Aug 18, 2017 reply Follow Share Diagonals of a square need not be equal? @just_bhavana? 0 votes 0 votes Shubhanshu commented Aug 18, 2017 reply Follow Share Ans should be 25 using Paythagores theorem to solve it. 0 votes 0 votes just_bhavana commented Aug 18, 2017 reply Follow Share Diagonals of a square are always equal, I think you mean to say rectangle @saxena0612 Use the property - perpendicular from centre of the circle to the chord bisects the chord. 0 votes 0 votes Please log in or register to add a comment.