Oblicz pole kwadratu o przekątnej róównej 5 pierwiasków z 2m
d = 5√2 m
d=a√2
a√2 = 5√2 /√2
a = 5
pole:
P=a² = (5m)² = 25m²<--- odp
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d = 5√2 m
d=a√2
a√2 = 5√2 /√2
a = 5
pole:
P=a² = (5m)² = 25m²<--- odp