Ответ:
56/2=28
h^2=32^2-28^2=1225-781=441
h=21
S=a*h=56*21=1176
Sabc=1176см2
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Ответ:
56/2=28
h^2=32^2-28^2=1225-781=441
h=21
S=a*h=56*21=1176
Sabc=1176см2