Respuesta :

Advent5647

Answer:

20°

Step-by-step explanation:

Step 1:

3x - 10 = x + 30       Alternate Interior ∠'s

Step 2:

2x - 10 = 30      Subtract x on both sides

Step 3:

2x = 40       Add 10 on both sides

Step 4:

x = 40 ÷ 2     Divide

Answer:

x = 20°

Hope This Helps :)

Otras preguntas