Two corners of a triangle have angles of # (5 pi )/ 8 # and # ( pi ) / 12 #. If one side of the triangle has a length of # 18 #, what is the longest possible perimeter of the triangle?
1 Answer
Oct 22, 2016
Longest possible perimeter is
Explanation:
As two angles are
the smallest of these angles is
Hence, for longest possible perimeter of the triangle, the side with length
Now for other two sides, say
or
therefore
and
and perimeter is