In Figure 5.51 given to the right, m( <ABC) =
32°, m(<BHE) = 42° and m( <ADE) = 48°
Find m(<NAD).

Answer:
122
Step-by-step explanation:
<HEB=180-(42+32)
=180-74
=106
<DEA=180-106 (straight line)
=74
<NAD=48+74(exterior angle = sum of 2 interior opposite angles)
<NAD=122