Right

Determine angles of the right triangle with the hypotenuse c and legs a, b, if:

$3a+4b=4.9c$

α =  64.6 °
β =  25.4 °
γ =  90 °

Step-by-step explanation:

$\beta =\mathrm{arccos}b=25.{4}^{\circ }$
$\gamma =9{0}^{\circ }$

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