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0 What is a parallelogram? A parallelogram is a quadrilateral that has the opposite sides parallel. 0

0 What is a regular hexagon? A regular hexagon is a hexagon that has all 6 side equals and all

0 What is a hexagon? A hexagon is a polygon with 6 sides. 0

0 What is a quadrilateral? A quadrilateral is a polygon with 4 sides. 0

0 What is a triangle? A triangle is a polygon with 3 sides. 0

0 Factor X^2 – 16 (problem with solution) [factor binomial] 0

+1 Factor X^2 – 9 (problem with solution) [factor binomial] +1

+1 Factor X^2 – 4 (problem with solution) [factor binomial] +1

+2 tan 2a = ? (formula with example) [tangent of double angle] +2

0 cos 2a = ? (formula with example) [cosine of double angle] 0