1) По теореме синусов: MK/sinN=MN/sinK; MN=MK*sinK/sinN;
MN=(6*V2/2) / (V3/2) = 3V2 * 2V3=6V2*V3/V3*V3=2V6.
2)
3) S=(1/2)*MN*MK*sinM=2V6*6*sin75 / 2 =6V6*sin75вое объяснение:
1) По теореме синусов: MK/sinN=MN/sinK; MN=MK*sinK/sinN;
MN=(6*V2/2) / (V3/2) = 3V2 * 2V3=6V2*V3/V3*V3=2V6.
2)
3) S=(1/2)*MN*MK*sinM=2V6*6*sin75 / 2 =6V6*sin75вое