A piece of wire is 144 cm long. What will be the length of each side if the wire is used to form:
A) a rectangle having breadth 34 cm.
b) a regular octagon.
with full method
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Step-by-step explanation:
Length of wire = 144 cm
A) Breadth = 34 cm
Perimeter = Length of wire = 144 cm
Length of rectangle = perimeter/2 - 34 = 144/2 - 34 =72 - 34 = 38 cm
B) Sides in Octagon = 8
Perimeter of octagon = 144 cm
Length of each side = Perimeter/8 = 144/8 = 18 cm
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