Question

In Figure 5.51 given to the right, m( <ABC) =

32°, m(<BHE) = 42° and m( <ADE) = 48°
Find m(<NAD).​

Answer 1

122

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