Explanation:
A, we can find the value of y by using cyclic quadrilateral formula w/c is the sum of the angle and it's opposit are suplement . so
y + 96 = 180
y = 180 - 96
y = 84°
B, The value of x could be find by property of intrusive and central angle . intrusive angle is half of the centeral angle or arc susbended. so the arc measure 180° b/c it is streight line. so
1/2(180°) = 90° so any intrusive angle that suspended by streight line measure 90°(perpendicular).
C, we can find y by sum of triangle theory that any 3 side plane figure measure 180° . So
62° + 90° + y° = 180° ..... We use x as 90° we have
seen in the 2nd question.
y = 180° - 152° = 28°
I HOPE IT HELPS YOU:-)