Question

plllss ofer coroana vr tot cu rezolvare! ​

Answer 1

sogcaogxaigxfif ia. cja

Answer 2

12->
c)x+2x+5+8+8=90
3x+21=90
3x=69=>x=23
COE=23•2+5=51
d)x+x+10+2x+4=90
4x+14=90
4x=76=>x=19
COD=19+10=29
COA=2•19+4=42
e)20+x+x=90
20+2x=90
2x=70=>x=35
COD=DOA=35
f)10+34+34+x=90
74+x=90=>x=16
COD=16
g)39+39+DOA=90
78+DOA=90
DOA=12=>DOC=COA=12:2=6
h)HOG=GOF
FOE=EOD=15
DOC=COA=22
=>HOF+15+15+22+22=90
HOF+74=90
HOF=16=>HOG, GOF=16:2=8
13->
a)3x+x=180
4x=180=>x=45
AOC=45•3=135
COB=45
b)x+x+100=180
2x+100=180
2x=80=>x=40
COA=40
COB=140
c)102+2x+x=180
102+3x=180
3x=78=>x=26
COD=26•2=42
DOB=26
d)x+3x+20=180
4x+20=180
4x=160=>x=40
COA=40
COB=40•3+20=140
e)2x+3x+72+x=180
6x+72=180
6x=108=>x=18
AOC=18•2=36
EOB=18
COD=18•3=54
f)60+2x+40+2x+x=180
100+5x=180
5x=80=>x=16
EOD=16•2+40=72
DOC=16•2=32
COB=16
14->
a)35+COD+55=180
COD=180-90=>COD=90
b)COA=COD=42
42+42+DOE+8=180
92+DOE=180=>DOE=88
c)COD=EOB=40
60+40+DOE+40=180
140+DOE=180
DOE=40
d)COD=DOE=60
DOE=80-20=60
40+60+60+20=180

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