Tan = opp/adj
Opp of C = 36
Adj of C = 15
Tan = 36/15 simplified = 12/5
hope this helps :)
One of them is 3,8,3,8 and the other is 4,6,4,6
66!
Surprised I got that.
360 - 42 - 42 - 72 - 72 = 132
132 / 2 = 66
If you look opposite from where the angles are given they are the same angles.