Answer:
Step-by-step explanation:
The first questions are answered on the attachment.
Answer: GCF of 40 and 42 is 2
2*13= 26
2*16= 32
the answer is 2
First of all, we know a quality of all interior angles of a triangle, they should add to 180 degrees.
Does 50+50+80 degrees give 180 degrees?
100+80=180 degrees
Therefore, yes, it is possible to draw a triangle with the angle measures given to be 50, 50 and 80 degrees.
Hope I helped :)