Simplify -2 1/6. - (-7 1/3 )

a) -5 1/6
b) -9 3/6
c) 9 3/6
d) 5 1/6

d

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⭐

the aswere is the one with all 8's and the second one is with the 10,8 and 6

step-by-step explanation: