You never put in what the question was.
Answer:
X = 600
Step-by-step explanation:
x-(0.0765x)=554.1
x-0.0765x=554.1
0.9235x=554.1
x=600
:/
You need to use the distance formula which is √(x2-x1)^2+(Y2-y1)^2
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Complete Question
The complete question is shown on the first uploaded image
Answer:
The value of 
The value of 
Step-by-step explanation:
Generally the total angle that make up a circle is

From the diagram we see that

=> 

Generally angle that is formed as a result of interception of a chord and a tangent is equal to the intercepted arc divided by 2
This implies that

substituting values

