Answer:
m<R=48.2 to the nearest tenth
Step-by-step explanation:
1. sin(m<T)=2/3
m<T=arcsin(2/3)=41.81 degrees
m<R=180-90-m<T=180-90-41.81=48.19 degrees
180-25=155 degrees
DC = DA Given
DB = BD Reflexive property
ΔDCB ≅ ΔDAB LH
∠DBC = ∠ABD = 20°
Hope this helps!
