Each side of a regular Polygon is 2.5 cm in length. If its perimeter is 12.5 cm, then how many sides does the Polygon have?

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HP TGT (Non-Medical) TET 2021 Official Paper
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  1. 4
  2. 5
  3. 6
  4. 7

Answer (Detailed Solution Below)

Option 2 : 5
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HP JBT TET 2021 Official Paper
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Detailed Solution

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Given:

The perimeter of the polygon = 12.5 cm

Each side of the polygon = 2.5 cm

Concept:

Total number of sides of the polygon = (Perimeter of the polygon)/(The side of the polygon)

Calculation:

Let be assume the side of the polygon is X

⇒ X = 12.5/2.5 = 125/25 = 5

∴ The required result will be 5.

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