What is the angle between a and b, to the nearest degree? u = 9j - k, v = 2i - 7k а. 81° b. 64° с. 88° d. 64° е. 84° O a O b O d e

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter78: Computing Angles Made By The Intersection Of Two Angular Surfaces
Section: Chapter Questions
Problem 4A
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What is the angle between a and b, to the nearest degree?
u = 9j - k, v = 2i - 7k
а.
81°
b. 64°
С.
88°
d.
64°
е.
84°
a
O b
O c
d
Transcribed Image Text:What is the angle between a and b, to the nearest degree? u = 9j - k, v = 2i - 7k а. 81° b. 64° С. 88° d. 64° е. 84° a O b O c d
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