Find the perimeter of an equilateral triangle whose each side measures 12cm.
Each side of regular polygon measures 4.6cm. Find the sides of the polygon if its perimeter is 23cm.
A regular decagon Fig. a has 10 equal sides Each side measures 8cm.Find the perimeter of the regular decagon.Also find the perimeter of regular polygon which has n equal sides with measures of 7cm of each side.