7. Figure I and Figure Il are similar figures. Figure I
R
s
Figure II
А
B
w
С
T
U
Which proportion must be true?

< 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⭐

ab will be equal to

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

step-by-step explanation:

the answer is a if my teacher taught me correct