Recall what you know about similarity if circle B is similar to circle a what must exist

nothjing

step-by-step explanation:

the answer is y = 11.54

hope this : )

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)