Two corners of a triangle have angles of # (5 pi )/ 12 # and # ( pi ) / 3 #. If one side of the triangle has a length of # 9 #, what is the longest possible perimeter of the triangle?
1 Answer
Dec 8, 2017
Longest possible perimeter = 32.3169
Explanation:
Sum of the angles of a triangle
Two angles are
Hence
We know
To get the longest perimeter, length 2 must be opposite to angle
Hence perimeter