α=45°
e=7√2 см
S=?
S=eh
h=?
tgα=h/e
tg45=h/7√2
1=h/7√2
h=7√2 см
S=(7√2)²
S=49*2
S=98 с²
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Verified answer
α=45°
e=7√2 см
S=?
S=eh
h=?
tgα=h/e
tg45=h/7√2
1=h/7√2
h=7√2 см
S=(7√2)²
S=49*2
S=98 с²