Question

algueeem me ajudaaaaa pfvrrrr ​

Answer 1

Resposta:

1º:

9² + 12² = x²

81 + 144 = x²

225 = x²

x² = 225

x = √225

x = 15

x² + 20² = 25²

x² + 400 = 625

x² = 625 - 400

x² = 225

x = √225

x = 15

8² + 6² = x²

64 + 36 = x²

100 = x²

x² = 100

x = √100

x = 10

(12cm)² + (5cm)² = x²

144cm² + 25cm² = x²

169cm² = x²

x² = 169cm²

x = √169cm²

x = 13cm²

(4,5cm)² + (7,5cm)² = x²

20,25cm² + 56,25 = x²

76,5cm² = x²

x² = 76,5cm²

x = √76,5cm²

x = 8,75cm²

x² + 8² = 12²

x² + 64 = 144

x² = 144 - 64

x² = 80

x = √80

x = 8,9