9/2 is 4.5
The radius is half of the diameter
Answer:
x= 36
Step-by-step explanation:
both angles together are supplementary and will form 180
Therefore, you know the missing angle can be found by substracting 108 from 180
180 - 108 = 72
72 = 2x
Answer:
2x +12
Step-by-step explanation:
-4x + 6x -12
Answer:
a1 = 1
an = an-1 * -5
Step-by-step explanation: