Math (4th)

• if no line that contains a side of the polygon contains a point in the interior of the polygon?

  convex
• if line contains a point in the interior?

  concave
• A polygon is EQUILATERAL if all side are congruent
• A polygon is EQUIANGULAR if all interior angles are congruent
• what is the sum of the measures of the interior angles of a QUADRILATERAL?

  360
• what is the sum of the measures of the interior angles of a TRIANGLE?

  180
• Vertex is where the lines meet
• Parallelogram are quadrilaterals with TWO PAIR of parallel sides
• Trapezoid is a quadrilateral with only ONE pair of parallel sides
• If the non-parallel side of the trapezoid is congruent it is called?

  isosceles trapezoid
• is a quadrilateral with no pair of sides parallel?

  General quadrilateral
• a parallelogram with right angle?

  Rectangle and square
• a parallelogram that is equilateral but not equiangular?

  Rhombus
• a parallelogram that is equiangular but not equilateral?

  rectangle
•  a parallelogram that is BOTH equilateral and equiangular?

  square
•  known as the “Father of trigonometric”?

  Hipparchus
• Kite is a quadrilateral with 2 PAIR of DISTINCT sides congruent