Find the distance between the points (-7,9) and (-2, -3). Hint: Use the Pythagorean theorem. (-7,9) Round decimals to the nearest tenth. ​

the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

< 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⭐