Quadrilateral LIKE is a kite with segment Ll is congruent to segment IK and segment LE is congruent to segment KE.

a. Segment LE is twice segment LI. If it's perimeter is 21 cm long, how long is LE?

b. Segment LK = (x + 1) ft and segment LE = (x - 11) ft. If it's area is 44 ft². How long are segment LE and segment LK.​