Question

Teorema de tales . Calcule

Obs: com a conta , e com a prova real

Answer 1

1) (x + 1) / (x - 5) = 24 / 6

(x + 1) = 4 * (x - 5)

x + 1 = 4x - 20

-3x = -21

x = 7

2) (4 / 10) = 2 / x

4x = 20

x = 5

10 / 12 = x / y

10y = 12 * 5

y = 60 / 10

y = 6

3) 10 / 3 = y / 6

3y = 60

y = 60 / 3

y = 20

3 / x = 6 / 4

6x = 12

x = 2