Question

calcule o valor de x nos triângulos retangulos

Answer 1

a. x² = 6² + 8²
x² = 36 + 64
x = √100

x = 10

b. x² = 12² + 9²
x = 144 + 81
x = √225

x = 15

c. x² = 4² + 5²
x² = 16 + 25
x = √41

d. 20² = (4x)² + (3x)²
400 = 16x² + 9x²
400 = 25x²
16 = x²
√16 = x

4 = x