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a) √8 m = 8m²
b)3√2 m = 18m²
c) 10√5 m = 500m²
d) 2√7 m = 28m²
Wzór na pole kwadratu P=a²
a- bok kwadratu
a)a= √8 m
P=(√8)²=8m²
b)a=3√2 m
P=(3√2)²=3²×(√2)²=9x2=18 m²
c) a=10√5 m
P=(10√5)²=10²x(√5)²=100x5=500 m²
d) a=2√7 m
P=(2√7)²=2²x(√7)²=4x7=28 m²