Question

1 the sum of 2sides of a regular pentagon is 18cm what will be the its perimeter? ​

Answer 1

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