CBSE BOARD X, asked by yuvaneshvetrivel, 1 day ago

In given figure, a light ray AB is incident normally on one face PQ of an equilateral glass prism. The angles at faces PR is​

Answers

Answered by guntukurajani1
2

Answer:

60 because Equiataral triangle all angles are 60 degrees

Answered by rahulranjan9079
1

Answer:

all side are equal

Explanation:

all sides are equal

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