Help me I'll give 15 pts​

XM = 7

CG = 38

Step-by-step explanation:

If M is the midpoint then

XM = MZ which means:

x + 2 = 2x - 3 add like terms

2+3 = 2x-x

5 = x and the length of XM = 7

same rules applies for the length of CG

CM = MG and

4x - 5 = 2x + 7

4x - 2x = 7 + 5

2x = 12 divide both sides by 2

x = 6 now to find the length of CG we replace the x with 6

CG = 4x - 5 + 2x + 7

CG = 6x + 2 replace x with 6

CG = 6*6 + 2

CG = 38

< 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⭐