The perimeter of regular pentagon is 100 cm. How long is its each side?
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11
Answer:
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
Answered by
1
Step-by-step explanation:
regular pentagon has 5 sides with equal length.let side be a units.Then perimeter of regular pentagon is 5a units.
5a = 100 cm
a = (100/5)cm
a = 20 cm
each side of regular pentagon is 20 cm
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