an artist created performance art using 9 people each person was connected to each other individual using a different color of ribbon how many pieces of ribbon did the artist use

what are the answear choices to the question.

step-by-step explanation:

< coa = 150 ( given)

as ba and bc are tangents

so oc and oa is perpendicular to cb and ab respectively because in circle normal passes through centre

so in quadrilateral oabc

< coa + < oab + < ocb + < abc = 360

150 +90+90 + < abc = 360

330 + < abc = 360

< abc = 360 -330 = 30

so < abc = 30

⭐dhruv⭐

what "following statement"?

step-by-step explanation:

where is the option given