Answer:
3
Step-by-step explanation:
the top and bottom the two left and right top and two left and right bottom
the answer is b
The 3rd option or 39,600 would be the correct answer.
Hope this helps:)
-7/2y
cancel out the Z's than youre left with -7/2y :}
AB+BC+AC=180°
8 - 7 + 2x +3x -8= 180°
-7+5x=180°
x=180°+7/5
x=37.4°
again
BC=-7+2*37.4
=67.8°
Answer: 29317