Answer:
The measure of arc GE is 
Step-by-step explanation:
we know that
The measurement of the external angle is the semi-difference of the arcs which comprises
In this problem
m<A is a external angle
so

substitute the values and solve for the measure of arc GE



N+4
how do I get it ?
put the 6 into n
(6)+4=10
so answer is n+4
Answer: 266
Step-by-step explanation:
I think it would be the second one
He subtracted the 29fron the 30