Two regular pentagons of perimeter 60 cm each are joined as shown in the figure.Find the perimeter of the figure.
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Answer:
Perimeter of rectangular hexagon = 6 × length of side
∴ length of side of given hexagon =
6
30
cm
=5 cm
Perimeter of new figure = Number of outer sides × length of each side
=10×5
=50 cm
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