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प्रश्न
The perimeter of a regular pentagon is 1540 cm. How long is its each side?
उत्तर
The perimeter of the regular pentagon = 1540 cm
⇒ 5 × side = 1540 cm
⇒ Side = `1540/5` cm = 308 cm
∴ Each side of the regular pentagon is 308 cm.
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