Question

find the length of one side of regular octagon if perimeter is 42.4cm​

Answer 1

As we know that :

Perimeter of regular octagon = 8a

Now, according to the question :

8a = 42.4

=> a = 5.3 cm

So, the length if one side of the regular octagon will be 5.3 cm

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Fóllòw MË ☺️☺️

Answer 2

Total No. of sides of an Octagon = 8

Perimeter = sum of all sides

length of 1 side = P ÷ 8

42.4 ÷ 8 = 5.3 cm

Hope it helps ❤️