Question

Each side of a regular polygon is 2.5 cm in length. The perimeter of a polygon is 12.5 cm. how many sides does the polygon have? (a)5. (b) 6 (c)7. (d) 8​

Answer 1

Answer:

5

Step-by-step explanation:

Answer 2

Answer:

Given that

Length side 2.5 cm =

Perimeter = 12.5 cm

Now,

Perimeter = Sum of all sides

In regular polygon, All sides are same

Perimeter = Number of sides x Length of sides

12.5 Number of sides x 2.5

12.5 2.5 = Number of sides

Number of sides = 12.5 2.5

125 10 25 10 Number of sides= =

Number of sides 125 25 10 10 =

125 10 Number of sides = X 10 25

Number of sides = 125 25 +5 +5

25 5 Number of sides =

Number of sides = 5

So, polygon has 5 sisides

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