Объяснение:
SABC/SMBN=(AC/MN)^2
49/25=x^2/400
x^2=49•400/25
x^2=784
x=28
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Объяснение:
SABC/SMBN=(AC/MN)^2
49/25=x^2/400
x^2=49•400/25
x^2=784
x=28