Which equation can be used to find the unknown length, a, in this triangle?
15 m
17 m
2+152-172
152-172-
22 +15=172
+ 152-172

15m

Step-by-step explanation:

because it is bigger

< 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⭐

whose power in the senate is equal to the power of the speaker of the house?

step-by-step explanation: