Ответ:
6. (90-а)+(90-в)+ф=180°, в=ф-а=97-39=58°
7. Н=0.69 м
а=90-30=60°
sinb=sin60/√1.5= 0.707, b=45°
L=1.03/tg30+0.69*tg45= 2.47 м
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Ответ:
6. (90-а)+(90-в)+ф=180°, в=ф-а=97-39=58°
7. Н=0.69 м
а=90-30=60°
sinb=sin60/√1.5= 0.707, b=45°
L=1.03/tg30+0.69*tg45= 2.47 м