Объяснение:
7. DCA=180-BCD=180-120=60
DCE=0,5DCA=0,5*60=30
BCE=DCE+BCD=120+30=150
8. SOQ=SOT+QOT=180/2=90
9. TLN=TLR+RLM+MLN
TLR=0,5KLR=0,5*40=20
MLN=180-KLR-RLM=180-40-90=50
TLN=20+90+50=160
10. DOE=DOC+COE
DOC=0,5AOC=0,5(180-BOC)=0,5(180-90)=45
COE=BOC-BOE=90-30=60
DOE=45+60=105
11. MSP=NSK=MSK+KSP=(180-KSP) :2+KSP=(180-90):2+90=45+90=135
12. AMC=180:4=45
NMC=AMC=45
AMN=NMC+AMC=45+45=90
BMN=180-AMN=180-90=90
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Объяснение:
7. DCA=180-BCD=180-120=60
DCE=0,5DCA=0,5*60=30
BCE=DCE+BCD=120+30=150
8. SOQ=SOT+QOT=180/2=90
9. TLN=TLR+RLM+MLN
TLR=0,5KLR=0,5*40=20
MLN=180-KLR-RLM=180-40-90=50
TLN=20+90+50=160
10. DOE=DOC+COE
DOC=0,5AOC=0,5(180-BOC)=0,5(180-90)=45
COE=BOC-BOE=90-30=60
DOE=45+60=105
11. MSP=NSK=MSK+KSP=(180-KSP) :2+KSP=(180-90):2+90=45+90=135
12. AMC=180:4=45
NMC=AMC=45
AMN=NMC+AMC=45+45=90
BMN=180-AMN=180-90=90