Question

132° 78° 2x° solve for x

Answer 1

Probably angles of a triangle

$\\ \sf\longmapsto 2x+78+132=180$

$\\ \sf\longmapsto 2x+210=180$

$\\ \sf\longmapsto 2x=|-30|=30$

$\\ \sf\longmapsto x=15°$