5. Triangle MNO is an isosceles triangle in which only one angle measures 122.6°. What is the angle measure of one of the two congruent angles?

if you use photomath right away it will give you the answer not like this app that you have to wait for people.

6 meters

step-by-step explanation:

answer: my brother can figure it out, imma go get him so i can answer : ) edit: my brother is sleeping, sorry man

step-by-step explanation:

arc length = radius * x ( in radians)

6 * pi = 18 * x

divide by 18 on each side

6 pi / 18 = x

pi/3 = x

the angle is pi / 3 radians

or   60 degrees