A is the answer I got hope this helps !!
Answer: 37
Explanation: Triangles's angles add up to 180. 180-45-98 is 37
343 or how to solve LCM OR GCF Since 1 divides into everything, then the greatest common factor in this case is just 1. When 1 is the GCF, the numbers are said to be "relatively" prime; that is, they are prime, relative to each other. Then the GCF is 1 and the LCM is 2 × 2 × 2 × 3 = 24.
I can’t seem to figure it out so sorry but example on how to find it ^