Question

a piece of wire of length 48.8cm is bent in the form of an octagon . find the side of the octagon .​

Answer 1

Answer:

Area of the square=484cm

2

∴ Side of the square =

484

=22cm

⇒ Perimeter of the square =4×22=88cm

∵ (Circumference of the circle) = (perimeter of the square)

⇒2πr=88

⇒2×

7

22

×r=88

∴r=

2×22

88×7

=14cm

2

=

7

22

×14×14cm

2

=616cm

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