Task 4 -3D Point, Vector and Plane

Check Show points. You'll see a blue plane now containing two more points B and C .
a) Change a, b, c. How does the direction of [math]\vec{AB}[/math] and [math]\vec{AC}[/math] change? [br][br]b) Now check the box Show angles. Then drag B and C around and change the values of all slides. What is the measure of angle between [math]\vec{n}[/math] and [math]\vec{AC}[/math]?
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– Tuyetdong Phan-Yamada

Information: Task 4 -3D Point, Vector and Plane