Answer:
C 36
Step-by-step explanation:
1/2(base)(height)
1/2(8)(9)
1/2(72)
=36
The answer is 15
You just have to multiply angle BC times angle AC to have the answer because angle AB is verticle to angle BD.
hope this is correct
(4, 5)
It is the third one because of formula I² + 2I*II + II²
In your case I = 4x and II = 3
