Answer: 6) 33° , 7) x=3°
Explanation:
The sum of the three angles of any triangle is equal to 180 degrees.
6) ∡SUT= 180-102 = 78 Linear Pair
∴ ∡UTS=180-(69+78)
=180-147
= 33°
7) ∡DBC=180-123=57 Linear Pair
57+25x+2+15x+1=180
60+40x=180
40x=180-60
=120
x=120/40=3°
∴ ∡D=77
∡C=46