Answer:
56 deg
Step-by-step explanation:
All internal angles of a triangle add up to 180 degrees
hence,
∠O + ∠R + ∠F = 180
x + (x+43) + (x-31) = 180
x + x+43 + x -31 = 180
3x+ 12 = 180
3x = 180 - 12 = 168
x = 168/3 = 56 deg
Answer:
The second choice
Step-by-step explanation:
6 - 3 1/3 = 2 2/3
The correct answer is 10/7 or 1 3/7. Hope this helps.
117, just add the two and subtract from 180
