
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
In the diagram, $UVW$ is a straight line. What is the measure of $\angle RWU,$ in degrees? 
[asy]
pair U=(0,0);
pair V=(1.5,0);
pair W=(2.5,0);
pair R=(0.9,1);

draw(R--U--V--W--R--V);

label("$U$",U,S);
label("$V$",V,S);
label("$W$",W,S);
label("$R$",R,N);

label("$55^\circ$",U+(.15,.05),NE);
label("$72^\circ$",R-(.02,.15),S);
label("$43^\circ$",W+(-.42,.05),NW);

[/asy]

Present the answer in LaTex format: \boxed{Your answer}
user