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Perimeter worksheet for students to calculate the total distance around different geometric shapes.

Worksheet on finding the perimeter of various 2D shapes including rectangles, triangles, squares, trapezoids, and parallelograms with labeled side lengths.

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ID: #900496

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Show Answer Key & Explanations Step-by-step solution for: Perimeter online activity for Grade 3

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Final Answer:
Rectangle (9 cm × 4 cm): 26 cm
Triangle (3 mm, 11 mm, 15 mm): 29 mm
Square (5 mm sides): 20 mm
Trapezoid (8 m, 5 m, 3 m, 8 m): 24 m
Pentagon-like shape (7 cm, 5 cm, 2 cm, 2 cm, 7 cm): 23 cm
Equilateral triangle (6 km sides): 18 km
Right triangle (3 km, 4 km, 5 km): 12 km
Parallelogram (8 cm, 4 cm, 8 cm, 4 cm): 24 cm

Parent Tip: Review the logic above to help your child master the concept of third grade perimeter worksheet.

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