Answer:
Hello! answer: 40
Step-by-step explanation:
This is a supplementary angle meaning it will have a total of 180 degrees 4 × 40 = 160 and when you add that with the other angle 20 you get 160 + 20 = 180 therefore x must by 40 HOPE THAT HELPS!
Length of 1 = 300 = 3 *10^2 nanometers
= 3*10^2/1*10^9 m
= 3*10^(2-9)
= 3*10^-7m
Cut the 4 corners off and you will have an 8-sided octagon
Answer:
X= 2.
X= -5.
Step-by-step explanation:
Hope it was helpful ;)