Two opposite sides of a parallelogram each have a length of #32 #. If one corner of the parallelogram has an angle of #(5 pi)/12 # and the parallelogram's area is #160 #, how long are the other two sides?

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Answer 1 · 2016-08-27T10:30:47

#=4.83#

Area of Parallelogram #=160=ab sintheta# where #a=32# and #b=?# and #theta=(5pi)/12#
or
#160=32timesbtimessin((5pi)/12)#
or

#b=160/32times(0.966)#

or

#b=5times(0.966)#

or

#b=4.83#