14 What is the definition of a Trapezoid? AnswerA quadrilateral with exactly one pairs of parallel sides
15 What is the definition of a regular polygon? AnswerA polygon with all sides and angles congruentWhat is the definition of a regular polygon?What do we call a regular triangle?Equilateral triangleWhat do we call a regular quadrilateral?Square
16 Classify each quadrilateral in as many ways as possible by dragging the terms and placing them on top of the shape. Terms may be used more than once.trapezoidquadrilateraltrapezoidsquarequadrilateralsquarerhombusquadrilateralrhombusparallelogramparallelogramparallelogramquadrilateralrectanglerectanglerhombusrectanglequadrilateralparallelogram
17 A polygon is convex if any two interior points can be connected with a segment that lies completely with in the polygon.A polygon is concave if any two interior points cannot be connected with a segment that lies completely with in the polygon.B.) Draw an example of a concave polygonA.) Draw and example of a convex polygon.
18 The sum of the angles of a quadrilateral is 360 . Sum of the Interior Angles of a QuadrilateralIf you draw a diagonal of a quadrilateral, you will get two triangles.1.) Use this information to find the sum of the interior angles of a quadrilateral.The sum of the angles of a quadrilateral is
19 Write an equation to find the value of x and then find the value of each missing angle. xo(2x + 1)o