Posted by holly on Tuesday, December 6, 2011 at 2:26pm.
a regular dodecagon has a side lenght of 5.6cm find the side lenght of a regular octagon that has the same perimeter?

maths  Henry, Thursday, December 8, 2011 at 6:33pm
P = 12 * 5.6 = 67.2 cm. = Perimeter.
P = 8Ls = 67.2,
Ls = 8.4 cm. = Length of each side.