Answer:
It is 13.56
Step-by-step explanation:
You would have to divide 40.68 by 3. 3 goes 1 time into 4 so it is 10.
CA is a diameter of the circle, so , which means . Then .
This means . Also, if , then , which in turns tells us that .
As the line is perpendicular to , we know that the slope of the line is . As it passes through , we know that it should be .