1
Question
The perimeter of a regular pentagon is 100 cm. How long is its each side?
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Solution
Regular Pentagon has 5 side and all are equal.
Therefore,
perimeter = sum of all the sides
perimeter = 5 × side
100 = 5 × side
side = 100 ÷ 5
side = 20cm
Therefore,
perimeter = sum of all the sides
perimeter = 5 × side
100 = 5 × side
side = 100 ÷ 5
side = 20cm
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