1. Trapezoids One pair of parallel sides. (called Base)
Non parallel sides are called Legs.
Isosceles trapezoid = congruent legs, congruent base angles, congruent diagonals.

2. Kites
Quadrilateral with exactly 2 pairs of consecutive congruent sides.
Opposite sides are NOT parallel.
Diagonals are perpendicular.
Exactly one pair of opposite angles is congruent.

3. Classwork
Determine whether QRST is a rhombus, a rectangle, or a square. List all that apply and explain.
# Q(3,5), R(3,10), S(-1,1), T(-1,5)
#2 - Q(-5,12), R(5,12), S(-1,4), T(-11,4)