a = 5cm
b = 6√2cm
d = 7cm
a² + b² = d²
5² + (6√2)² = 7²
25 + 36*2 = 49
25 + 72 = 49
97 ≠ 49
odp. FAŁSZ
Fałsz. 5^2+b^2=7^2; 25+b^2=49; b^2=49-25; b=pierwiastek z 24; b=2pierwiastki z 6
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a = 5cm
b = 6√2cm
d = 7cm
a² + b² = d²
5² + (6√2)² = 7²
25 + 36*2 = 49
25 + 72 = 49
97 ≠ 49
odp. FAŁSZ
Fałsz. 5^2+b^2=7^2; 25+b^2=49; b^2=49-25; b=pierwiastek z 24; b=2pierwiastki z 6