In the triangle ABC, the magnitudes of the angles α, β γ are in the ratio 0.4:1:0.9. Find their magnitudes.

Correct answer:

α =  31.3043 °
β =  78.2609 °
γ =  70.4348 °

Step-by-step explanation:

Φ=0.4+1+0.9180=23180078.2609  α=0.4 Φ=0.4 231800=23720=31.3043=31°1816"
β=1 Φ=1 231800=231 1800=231800=78.2609=78°1539"

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