Perimeter of Polygons Worksheet: Calculate the perimeter of each given polygon by summing the lengths of all sides.

To find the perimeter of each polygon, we simply add up the lengths of all its sides. Let’s go step by step for each shape:

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Shape 1 (Kite):
Sides: 2.7 m, 3.9 m, 2.7 m, 3.9 m
Add them:
2.7 + 3.9 = 6.6
6.6 + 2.7 = 9.3
9.3 + 3.9 = 13.2 m

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Shape 2 (Rhombus):
All sides are 4.6 ft
There are 4 sides:
4.6 × 4 = 18.4 ft

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Shape 3 (Triangle):
Sides: 3 mm, 5 mm, 5 mm
Add:
3 + 5 = 8
8 + 5 = 13 mm

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Shape 4 (Rectangle):
Sides: 12 in, 4 in, 12 in, 4 in
Add:
12 + 4 = 16
16 + 12 = 28
28 + 4 = 32 in

*(Or use formula: 2×(length + width) = 2×(12+4)=2×16=32)*

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Shape 5 (Trapezoid):
Sides: 10 cm, 4.5 cm, 17 cm, 4.5 cm
Add:
10 + 4.5 = 14.5
14.5 + 17 = 31.5
31.5 + 4.5 = 36 cm

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Shape 6 (Triangle):
Sides: 3.5 cm, 3.9 cm, 3.9 cm
Add:
3.5 + 3.9 = 7.4
7.4 + 3.9 = 11.3 cm

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Shape 7 (Parallelogram):
Sides: 14 yd, 10 yd, 14 yd, 10 yd
Add:
14 + 10 = 24
24 + 14 = 38
38 + 10 = 48 yd

*(Or 2×(14+10)=2×24=48)*

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Shape 8 (Pentagon):
All sides are 1.5 m → 5 sides
1.5 × 5 = 7.5 m

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Final Answer:
1. 13.2 m
2. 18.4 ft
3. 13 mm
4. 32 in
5. 36 cm
6. 11.3 cm
7. 48 yd
8. 7.5 m