Respuesta :

fnej

Answer:

m<A = 32°

Step-by-step explanation:

When angles are vertical, it means they are equal to each other:

m<A = m<C

4x - 8 = 2x + 12

4x - 2x = 12 + 8

2x = 20

x = 20/2

x = 10

Solve for A:

4x - 8

4(10) - 8

40 - 8

32