Geometry and Measures
Shapes and Angles
Polygons and Types of Quadrilaterals
Measurement and Types of Angles
Angle Relationships in Intersecting and Parallel Lines
Circles and Their Properties
Triangles and Constructions
Constructing Triangles
Congruent Triangles
Thales' Theorem
Perpendicular Bisectors and Circumcircle
Angle Bisectors and Incircle
Volume and Surface Area
Solids and Units of Volume
Volume of a Cuboid and Cube
Surface Area of Solids
Volume of Prisms and Cylinders
Cavalieri's Principle
Volume and Surface Area of Pyramids, Cones, Spheres
Area and Perimeter
Perimeter of a Polygon
Area of Parallelograms and Triangles
Circumference and Area of a Circle and a Sector
Area of Compound Shapes
Transformation and Symmetry
Perpendicular and Parallel Lines
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Area of Compound Shapes
Geometry and Measures
Area of Compound Shapes
🎬 Video Tutorial
Step 1: Break the complex shape into simpler components (e.g., rectangles, triangles, circles)
Step 2: Find the area of each simple shape using its own formulas
Step 3: Add or subtract the areas
Example 1: Sum of two rectangles
Example 2: Sum of a rectangle and a triangle
Application: Calculating the area of a wall for painting
📂 Revision Cards
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