Acelus A line is perpendicular to y = -2
and intersects the point (4, -1).
What is the equation of this
perpendicular line?

x = 4.

Step-by-step explanation:

The line y = -2 has slope 0 because it is horizontal so the perpendicular line must be vertical  and as it passes through the point (4, -1)  its equation is x = 4.

< 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⭐

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step-by-step explanation: