A rational number is a real number such as 5 or .25. An irrational number is a non realistic number such as pi
Answer:
(-x,-y)
180*
Step-by-step explanation:
This is the right answer
Answer:
100°
Step-by-step explanation:
two angles are supplement .
if their sum is equal to 180°
supplement angle of 80° + x = 180°
180° - 80° = 100° answer
1/2 because it's 2 times smaller
