A parallelogram has sides with lengths of #15 # and #8 #. If the parallelogram's area is #96 #, what is the length of its longest diagonal?
1 Answer
Sep 18, 2016
Explanation:
ABCD is the parallelogram.
Parallelogram area
where b=base, h=height
Given
Note that triangle CDE is a right-angled triangle :
Again, note that triangle CAE is also a right-angled triangle: