a. pr=12cm b. pt=9cm c. <rpt = 50 derajat, d. <tsr=50 derajat e. srt =40 derajat
cuman no. 3 maaf kalo salah
1.PR=RS=12°
PT=½PS=½18=9
RPT=180-40:2=70
TSR=70
SRT=½PRS=½40=20
2. DE=DF=EF
DI=IF=DG=GE=EH=HF
EDF=EFD=DEF
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a. pr=12cm b. pt=9cm c. <rpt = 50 derajat, d. <tsr=50 derajat e. srt =40 derajat
cuman no. 3 maaf kalo salah
1.PR=RS=12°
PT=½PS=½18=9
RPT=180-40:2=70
TSR=70
SRT=½PRS=½40=20
2. DE=DF=EF
DI=IF=DG=GE=EH=HF
EDF=EFD=DEF