Question

1-Determine o valor de x

Answer 1

a) x² = 4² + (√2)²

x²  = 16 + 4

x² = 20

x = 2√5

b) (√11)² + x² = (√20)²

11 + x² = 20

x² = 9

x = 3

c) x² = 5² + 3²

x² = 25 + 9

x² = 34

x = √34

d) x² = 4² + (√5)²

x² = 16 + 5

x² = 21

x = √21