Question

BA is a tangent to Oc at point A Find the value of x
a.22
b.44
C.68
D.72

Answer 1

C

Explanation:

The sum of the 3 angles in a triangle = 180°

The angle between the tangent and AC is right, that is 90°, thus

x = 180° - (90 + 22)° = 180° - 112° = 68° → C