0 votes 0 votes On a semicircle with diameter AD; chord BC is parallel to the diameter. Further, each of the chords AB and CD has length $2,$ while has length $8.$ What is the length of BC? $7.5$ $7$ $7.75$ None of the above Quantitative Aptitude cat2004 quantitative-aptitude geometry + – go_editor asked Jan 13, 2016 • edited 2 days ago by Counsellor go_editor 13.9k points 640 views answer comment Share See all 0 reply Please log in or register to add a comment.