Final: The Gable Wall
Part of the Polygons & Quadrilaterals section of Coddy's Geometry journey. Lesson 58 of 59.
The end wall of a house is a rectangle ABCD, 8 wide and 6 high, with a triangular gable DCE on top. The roof edge DE is 5 long, and the gable's height EF meets DC at its midpoint F. Find the area of the whole wall.
Challenge
Find the area of the whole wall ABCED, then press Check.
Try it yourself
Find the marked part of the figure
All lessons in Polygons & Quadrilaterals
1Polygons
Angles of a QuadrilateralAngles in Any PolygonHow Many Sides?Polygon Angles with xRecap: Polygon Angles4Parallelograms
ParallelogramsNeighbouring AnglesOpposite AnglesParallelograms with xA Diagonal InsideRecap: Parallelograms5Rectangles, Rhombi, Squares
RectanglesThe Diagonal of a RectangleRhombus AnglesSquaresRecap: Special Parallelograms3Exterior Angles
Exterior AnglesExterior Angles Make 360°Regular Exterior AnglesSides from the ExteriorRecap: Exterior Angles6Trapezoids and Kites
TrapezoidsIsosceles TrapezoidsTrapezoids with xKitesRecap: Trapezoids and Kites9Area of Trapezoids
Area of a TrapezoidA Missing BaseFind the Height FirstTrapezoids by AreaRecap: Trapezoid Area12Final Challenges
Final: The Garden BedFinal: Enough to Finish?Final: The RampFinal: The Gable WallFinal: The Star Point