Question

If ABC - AZXY, mZA = 50, and mZC = 30,
what is mZX?

Answer 1

Let it be x

Using angle sum theory

`\\ \sf\longmapsto 50+30+x=180`

`\\ \sf\longmapsto 80+x=180`

`\\ \sf\longmapsto x=180-80`

`\\ \sf\longmapsto x=100`