Please help me with this

Answer:
∠AMX=72°
Step-by-step explanation:
we know that
An isosceles triangles has two equal sides and two equal interior angles
In the isosceles triangle MAX
we have that
XA=MA
and ∠AXM= ∠AMX -----> angles base
we have that
∠AXM=72°
therefore
∠AMX=72°