Odpowiedź:
Szczegółowe wyjaśnienie:
A)
a² + 15² = 17²
a² + 225 = 289 /- 225
a² = 64
a = 8
Pole = 15 x 8 = 120 cm²
B)
a² + 8² = 12²
a² + 64 = 128 / - 64
Pole = 8 x 8 = 64 cm²
C)
a² + 9² = 15²
a² + 81 = 225 /-81
a² = 144
a = 12
Pole = 12 x 9 = 108 cm²
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Odpowiedź:
Szczegółowe wyjaśnienie:
A)
a² + 15² = 17²
a² + 225 = 289 /- 225
a² = 64
a = 8
Pole = 15 x 8 = 120 cm²
B)
a² + 8² = 12²
a² + 64 = 128 / - 64
a² = 64
a = 8
Pole = 8 x 8 = 64 cm²
C)
a² + 9² = 15²
a² + 81 = 225 /-81
a² = 144
a = 12
Pole = 12 x 9 = 108 cm²