i want some friends cause im lonely add me on snap islandgirlmayaj (im the one with the black skull hat)

Ight

Step-by-step explanation:

alr, can you add me, i'll accept lorenzo_devit19

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⭐