Question 8 of 10 Which of these is a way to increase your resources for higher education?
A. Not saving money
ООО
B. Changing schools every semester
C. Getting a job and saving money
D. Spending all of your money
SUBMIT

< 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⭐

a

step-by-step explanation: