If the side length of a regular pentagon is 7 cm. the perimeter of the pentagon is -
21 cm
28 cm
35 cm
42 cm
49 cm
Perimeter = 5×7 = 35 cm 569. Number of sides = 405 = 8
Perimeter of a regular pentagon with side length 7 cm is:
The side of a regular hexagon with perimeter 84 cm is