Recap: Polygon Chases
Part of the Polygons & Quadrilaterals section of Coddy's Geometry journey. Lesson 56 of 61.
Challenge
ABCDE is a regular pentagon, and a square ABHG is drawn outside it on the side AB. Find the gap at A between the pentagon's side AE and the square's side AG, marked ?, then press Check.
Try it yourself
Find the marked part of the figure
All lessons in Polygons & Quadrilaterals
1Polygons
Polygons and DiagonalsAngles of a QuadrilateralAngles in Any PolygonPolygon Angles with xHow Many Sides?Recap: Polygon Angles4Parallelograms
ParallelogramsNeighbouring AnglesOpposite AnglesParallelograms with xA Diagonal InsideRecap: Parallelograms2Regular Polygons
Regular PolygonsFrom an Angle to the SidesInside a Regular PolygonRecap: Regular Polygons5Rectangles, Rhombi, Squares
RectanglesThe Diagonal of a RectangleRhombus AnglesSquaresRecap: Special Parallelograms8Area of Parallelograms
Area of a RectangleA Side from the AreaSlide the TopArea of a ParallelogramRecap: Parallelogram Area11Polygon Chases
Parallel Sides in a PentagonMarks, Not LooksPentagon with xRegular Shapes TogetherRecap: Polygon Chases3Exterior Angles
Exterior AnglesExterior Angles Make 360°Regular Exterior AnglesSides from the ExteriorRecap: Exterior Angles6Trapezoids and Kites
TrapezoidsIsosceles TrapezoidsTrapezoids with xKitesRecap: Trapezoids and Kites