S=37.8(cm2)
S=1/2ah
h=S/0.5a
h=37.8/7
h=5.4(cm)
Ответ: высота=5.4 сантиметра.
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Verified answer
S=37.8(cm2)
S=1/2ah
h=S/0.5a
h=37.8/7
h=5.4(cm)
Ответ: высота=5.4 сантиметра.