a. panjang AD = 10 cm
DC = 12 cm
b. Sudut A = 40°
B = 140°
C = 40°
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a. panjang AD = 10 cm
DC = 12 cm
b. Sudut A = 40°
B = 140°
C = 40°
#NEXTYEAR
AB=DC=12cm
ADC=ABC=140
DAB=DCB=40°
PENJELASAN=
sudut sudut yang behadapan sama besar
sudut sudut yg sejajar besar seluruhnya 180°