Respuesta :

Medunno13

Answer:

42

Step-by-step explanation:

Diagonals of a rhombus are perpendicular, so:

[tex]2y+6=90 \\ \\ 2y=84 \\ \\ y=42[/tex]

Taehyungieee
The answer of m 1 will be 90 degrees
Check the working below :)