1 the sum of 2sides of a regular pentagon is 18cm what will be the its perimeter?
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1 the sum of 2sides of a regular pentagon is 18cm what will be the its perimeter?
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Answer:
45 cm
Step-by-step explanation:
Let one side of pentagon be x
Regular pentagon has all it's sides equal
ATP
2 * x = 18
x = 18/2 = 9 cm
Perimeter = 5 * side = 5 * 9 = 45 cm