(0:01)Perimeter of a Polygon: Means the total length around a polygon. Add up the lengths of all sides to find the perimeter.
(0:12)Perimeter Formulas: To find the perimeter of rectangles, use $2 \times (\text{length} + \text{width})$. To find the perimeter of squares, the perimeter is $4 \times \text{side length}$.
(0:55)How to Find Perimeter of Triangles: For a general triangle, add all three sides. For isosceles triangles, use $2a + b$; for equilateral triangles, use $3a$.
(1:48)How to Find Perimeter of Compound Shapes: For L-shaped polygons, rearranging edges into a rectangle can make perimeter calculations easier.
📂 Revision Cards
1) Perimeter of Polygons, Quadrilaterals, Squares
2) Perimeter of Triangles
3) Perimeter of Complex Shapes
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