Find the missing angle measure
1. Triangle a degrees, 62 degrees, 81 degrees
2. Trapezoid 2h degrees, 2h degrees, h degrees, h degrees
3. 135 degrees, 62 degrees, (n+6) degrees, n degrees, 140 degrees, 151 degrees.​

Find the missing angle measure1 Triangle a degrees 62 degrees 81 degrees2 Trapezoid 2h degrees 2h degrees h degrees h degrees3 135 degrees 62 degrees n6 degrees class=