Question

सुभाषित पाठ के सभी श्लोकों को लिखें व याद करें ।​

Answer 1

Explanation:

Thus, from triangle DEC, we can say that cosθ=DECD . From the distance formula, we can say the that the length of DE is 12√3 and CD is √32 . Therefore, the angle between two faces is cos−113 . So, the correct answer is “Option B”.

Answer 2

Explanation:

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