Answer:
Step-by-step explanation:
Answer:
x = 130 degrees
Step-by-step explanation:
angle OAC = angle OBC = 90 degrees (angle between tangent and radius = 90 degrees)
This is quadrilateral and we know that quads = 360 degrees
So...
x + 90 + 90 + 50 = 360
rearrange
x = 130 degrees
Answer:
D
Step-by-step explanation:
50 × 3 =150
50 ÷ 4 = 12.5
12.5 ×3= 37.5
150 + 37.5 =187.5
F (x)=(x+4)/6
f-1 (7)=x
f (f-1 (7)=f (x)
7=f (X)
7=(x+4)/6
x+4=42
x=38