Mathematics - Geometry - Perimeter and Area - Perimeter of polygons - Perimeter Formulas

5 steps: (1) PERIMETER = total distance around a shape = sum of all sides. (2) Rectangle: P = 2(length + width) or P = 2l + 2w. Example: 7cm × 4cm → P = 2(7+4) = 22cm. (3) Square: P = 4 × side. Example: side=5cm → P = 20cm. (4) Triangle: P = a + b + c (sum of three sides). (5) Irregular polygons: ju

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Mathematics - Geometry - Perimeter and Area - Perimeter of polygons - Perimeter Formulas
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Mathematics - Geometry - Perimeter and Area - Perimeter of polygons - Perimeter Formulas

vivmagarwal
vivmagarwalJan 29, 2026

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5 steps: (1) PERIMETER = total distance around a shape = sum of all sides. (2) Rectangle: P = 2(length + width) or P = 2l + 2w. Example: 7cm × 4cm → P = 2(7+4) = 22cm. (3) Square: P = 4 × side. Example: side=5cm → P = 20cm. (4) Triangle: P = a + b + c (sum of three sides). (5) Irregular polygons: ju

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MathematicsGeometry - Perimeter and AreaStage 3, Class 4, PYP Grade 3, Class 4, Grade 3

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