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Given BAC rr r ×= and ABDr r r ×= . What is the angle between C r and D r ? (A) 30° (B) 60° (C) 90° (D) 180°

Given BAC rr r
×= and ABDr r r
×= . What is the angle between C
r and D
r ?
(A) 30° (B) 60° (C) 90° (D) 180°

Grade:

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
Dear student

Please attach the image of the question

Regards
Vikas TU
14149 Points
2 years ago
Dear student 
Question is not clear 
Please attach an image, 
We will happy to  help you 
Good Luck
Cheers

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