demetriusbullard46 demetriusbullard46
  • 24-04-2020
  • Mathematics
contestada

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

BA is a tangent to Oc at point A Find the value of x a22 b44 C68 D72 class=

Respuesta :

jimrgrant1 jimrgrant1
  • 24-04-2020

Answer:

C

Step-by-step 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

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