What degree of rotation will cause the triangle below to map onto itself

Option A is correct that is

Step-by-step explanation:

We have been given a triangle  we need to tell which one of these is a triangle below to map onto itself.

rotation is the complete rotation which eventually leads to the same figure which is given.

Option A is correct that is that will cause the triangle below to map onto itself.

correct

step-by-step explanation:

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a