Use the picture below:

2) if l || m, what is the measure of ∠1?

select one:

a. 122

b. 130

c. 22

d. 58

3)for what value of x is l || m?

select one:

a. 58

b. 22

c. 54

d. 122

4)if l || m, what is the measure of ∠2?

select one:

a. 130

b. 22

c. 122

d. 58

a precentage of 6th graders. the population is all 6th graders. let me know if i'm wrong, i hope this ! : )

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