Q650: The diagonals of any rhombus are perpendicular.
Q651: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7237/.jpg" alt=" -For trapezoid HJKL,
Q652: Find a direction vector for the line
Q653: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7237/.jpg" alt=" -In
Q654: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7237/.jpg" alt=" -For trapezoid RSTV,
Q656: Diameter <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7237/.jpg" alt="Diameter of
Q657: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7237/.jpg" alt=" -For a right
Q658: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7237/.jpg" alt=" -For the quadrilateral
Q659: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7237/.jpg" alt=" -In the figure,
Q660: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7237/.jpg" alt=" -The three altitudes