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x²=2581
x≈51
x²=9²+50²
x²=81 + 2500=2581
x²=√2581
x=ok.50,8m
50m-- > odległość tych drzew
i teraz Pitagoras:
50m²+9²=x²
2500+81=x²
2581=x²
√2581m=x
czli ok 50,8m :);)