Ответ:
1) S=1/2•a•h=1/2•5•2=5
2) S=1/2•a•b=1/2•4•3=6.
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Ответ:
1) S=1/2•a•h=1/2•5•2=5
2) S=1/2•a•b=1/2•4•3=6.