Answer:
B) 131°
Step-by-step explanation:
-4a + 139 = 4a + 123 because they are vertical angles
-4a + 139 = 4a + 123
reduce:
8a = 16
a = 2
4(2) + 123 = 131°
Do you still need help on this?
Answer:
p=7
q=9
r=13
Step-by-step explanation:
Use Pie the method we all learned i really can’t remember but i think it’s 3.14
In mathematics, a percentage (from Latin per centum "by a hundred") is a number or ratio expressed as a fraction of 100.