Problema Solution
Four points, A, B, C, and D, lie on a circle having a circumference of 15 units. B is 2 units counterclockwise from A. C is 5 units clockwise from A. D is 7 units clockwise from A and 8 units counterclockwise from A. What is the order of the points starting with A and going clockwise around the circle?
Answer provided by our tutors
Let's draw this out. Pretend we have a clock with 15 numbers instead of 12, so that we know how to picture this:
Suppose A is at 15, the top of the clock. This means:
1) B is at 13
2) C is at 5
3) D is at 7
So the answer is simply A, C, D, B