perimeter and area

what will be the peremeter of a square whose one side length is 68.4cm

• 340.6cm

• 273.6cm

• 275.8cm

these are a .................... polygons

• regular

• irregular

• its not a polygon

• i dont know

find the odd one out

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perimeter divided by four is a ................... of a square

• length

• breadth

• side

• diagonal

find peremeter of a rectangle whose breadth is 33.44cm and lenght is 62.2cm

• 192.38cm

• 333.33cm

• 191.28cm

• 164.2cm

find the lenght of the side of a square whose perimeter is 36 m

• 8cm

• 9cm

• 7m

• 9m