Question

Help me please help help

Answer 1

$\angle P = \angle S \Rightarrow \angle S = 42 &^\circ\\\angle Q = \angle T \Rightarrow \angle S = 86 &^\circ\\\angle R = \angle U$

Sum of all angles in a triangle equals 180:

$\angle R = 180 - (86 + 42) = 180 - 128 = 52$

Answer:

$U = 52 &^ \circ$