Hey, I have a trig question that I am stuck on and would appreciate any help, Thanks.
Two sides of a parallelogram measure 7.0 cm and 9.0 cm. The longer
diagonal is 12.0 cm long.
a) calculate all the interior angles.
b) How long is the other diagonal?
The answer page got for a) 96 and 84 degrees. for b) 10.8cm
I got the correct degrees, but I can't get 10.8cm.