Rearrange the equation to proper standard form y-2/3=4/7(x-7/2)

Step-by-step explanation:

y = 4/7x + (-4/3)

y = 4/7x - 4/3

Ax + By = C

y-2/3 = 4/7(x-7/2)

y - 2/3 = (4/7)x - 2

y = (4/7)x - 2 + 2/3

y = (4/7)x - 4/3

4/3 = (4/7)x - y

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⭐