I can't seem to understand this problem. Could someone give me a hint as to what I'm supposed to be thinking? Vectors A, B and C satisfy the vecotr equation A + B = C, and their magnitudes are related by the scalar equation A^2 + B^2 = C^2. How is vector A oriented with respect to vector B? Account for your answer. Am I supposed to be thinking of the Pythagoream Theorum..?