Ответ:
BC=1/2×AC=AC/2
AB=1/2×AC
Если AB=BD
1/2×AC÷1/2AC=1
Ответ=1.
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Ответ:
BC=1/2×AC=AC/2
AB=1/2×AC
Если AB=BD
1/2×AC÷1/2AC=1
Ответ=1.