Asked by helpppp
|u| = 5, |v| = 12, and the angle between u and v (when placed tail to tail) is 90 degrees. Find |u| + |v|
Answers
Answered by
oobleck
the angle does not matter.
|u|+|v| = 5+12 = 17
now, |u+v| = 13 (think of a 5-12-13 right triangle)
|u|+|v| = 5+12 = 17
now, |u+v| = 13 (think of a 5-12-13 right triangle)
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