two regular octagon of perimeter 40cm each are joined as shown in the figure below the perimeter of the new figure
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Step-by-step explanation:
Perimeter of each octagon:40cm
Perimeter of two octagons:80cm
Each side:40÷8=5cm
The new shape will be of 14 sides with each side 5cm
Perimeter of the new shape will be
=14×5
=70 cm (answer)
Hope this helps you
Answered by
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Step-by-step explanation:
perimeter of octagon 40 cm .
Perimeter of two octagon =80 cm.
each side = 40 ÷ 8 = 5 .
The new shape have 14 side .
Thus perimeter of new shape - 14×5=70.
70 cm . ( answer)
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