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प्रश्न
In the following diagram the correctly marked angles are :
(a) ∠A and ∠e
(b) ∠i, ∠A and ∠D
(c) ∠A ∠r and ∠e
(b) ∠A ∠r and ∠D
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उत्तर
The correctly marked angles here are the angle of the prism (A) and the angle of emergent (e).
Hence, the correct answer is ∠A and ∠e
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