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Each side of a regular hexagon is 3.5 cm. The perimeter of the given polygon is

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Bihar STET Paper I: Mathematics (Held In 2019 - Shift 1)
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  1. 17.5 cm
  2. 21 cm
  3. 18.3 cm
  4. 20 cm

Answer (Detailed Solution Below)

Option 2 : 21 cm
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Detailed Solution

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Given:

Side length of the regular hexagon = 3.5 cm

Concept used:

Perimeter of a polygon = Sum of all its side lengths

Calculation:

A regular hexagon has 6 sides, and all its sides are equal in length.

Perimeter of the hexagon = 6 × Side length

Perimeter = 6 × 3.5 cm

Perimeter = 21 cm

∴ The perimeter of the given regular hexagon is 21 cm.

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