If you added more context then I would probably answer your question
15 because I do it like 12+3 because the 3 is negative
Step-by-step explanation:
Opposite angles of parallelograms are congruent
Answer:
THE CORRECT OPTION IS C) Δ RST
Δ UVW ; 
Step-by-step explanation:
i) ∠ WUV = ∠ TRS ( same angle = 32 )
ii)
;
Hence it is proved that
Δ RST
Δ UVW