Ответ:
<BMA=45 (180-90-45=45)=> BM=AB=CD
BM=x
2x+2(x+x+3)=24, 2x+2x+6+2x=24,
6x=18, x=3 =>AB=3, CD=3
BM=3 => MC=6 => BC=9
BC=AD=9
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Ответ:
<BMA=45 (180-90-45=45)=> BM=AB=CD
BM=x
2x+2(x+x+3)=24, 2x+2x+6+2x=24,
6x=18, x=3 =>AB=3, CD=3
BM=3 => MC=6 => BC=9
BC=AD=9