Combining the numbers, we get 3w+12=5
3w=-7
w=-7/3
Answer:
28
Step-by-step explanation:
First, find the ratio between the triangles. To do this, divide any side of the big triangle by corresponding side in the small triangle. I chose 35. So, 35/10 = 3.5. 3.5 is the ratio between the triangles. Multiply 3.5 by 8 to get 28, the length of the missing side. :)
angle BCA would be 60, so 50 + 60 = 110, so angle CAB would be 70
