Q:

The vertices of the 1 cm side are cut from each corner of a square with a side of 4.5 cm. Find the circumference and area of the octagon formed?

• 1
  $$ {5\sqrt{2}}{\ cm};{18.25{\ cm^{2}}}$$
• 2
  $$ {(5+4\sqrt{2})}{\ cm}; {18.25 \ cm^{2}}$$
• 3
  $$ {(10+4\sqrt{2})}{\ cm}; {18.25 \ cm^{2}}$$
• 4
  16 cm and 16 sq.cm