Ответ:
1.27
Объяснение:
α=55° β=40° n=?
===
n=sinα/sinβ=0.81/0.64≈1.27
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Verified answer
Ответ:
1.27
Объяснение:
α=55° β=40° n=?
===
n=sinα/sinβ=0.81/0.64≈1.27
=================================