Respuesta :

NottinghamNevaeh

Explanation:

The coefficient of friction = tanθ,

 the angle would be 30∘

jobertquiniquito

Answer:

Tan¯¹ /3=60 degree

Explanation:

you know coefficient is friction is equal to tan 0 equal to square root of 3 is equal to tan of civil 20 skills equal to 60 degree