Answer:
7.6
Step-by-step explanation:
you just need to multiply 3.8 × 2= 7.6
As shown in picture, AC is tangent to circle O
=> angle BAC = 90 deg
As the property of angle on circle:
=> BAY = (1/2) arc BY = (1/2) x 52 = 26 deg
=> angle YAC = angle BAC - angle BAY = 90 - 26 = 64 deg
Hope this helps!
:)
