Discussion
From a point at 100,100 a polar entry of 50 units at 90 degrees places the next point at
Answer: C
Correct answer: 100,150
An angle of 90 degrees points along the positive Y axis, so the whole 50 units is added to Y: \[ (100,\ 100 + 50) = (100,\ 150). \] Angles are measured anticlockwise from the positive X axis by default, which is worth confirming before relying on a typed bearing.
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