Its the last one! Also if you dont know what I mean by this is, its the 4th one. You Welcome Merry Christmas
The second and third ones are the true ones
Answer:
Step-by-step explanation:
First off, your drawing is kinda inaccurate, because the looks like a right angle, but as you drew it yourself it doesn't matter too much.
We know that the sum of the angles of a triangle will always equal , so we have that .
Combining like terms on the left side gives .
Subtracting from both sides gives .
So, and we're done!
Answer: a= -1.477747,-1.153646,-0.076870
Step-by-step explanation: