Answer:
Answer Expert Verified
The central angle O is a complete angle, so its measure is 360°. It is divided into 5 equal parts, so each of them has a measure of 360°/5=72°
1. 2.6
2. 0.9
3. 4.5
if you count the lines on the ruler, you can find the answer
Step-by-step explanation:
making m the subject first by dividing through by 4
from the question, given n = -1 ,0 ,1
so when n= -1
when n=0
when n=1