The organizers of a crossword competition stated the rules for how many participants would win prizes. The rules sald one of every three would win a prize.
Which ratlo is equivalent to the ratio in this situation?
A.
10/5
B.
5/15
C.
12/3
D.
2/8

B

Step-by-step explanation: What is equivilent to 1/3? 1/3 * 5/5 = 5/15

it 2

step-by-step explanation:

8^1/3=2

< 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⭐