Posted by Lisha on Tuesday, May 14, 2013 at 4:38am.
Two angles of triangle are pie/6 and 2pie/3 radians. What is the measure of the third angle in degrees?

Maths  Reiny, Tuesday, May 14, 2013 at 9:15am
π/6 = 30°
2π/3 = 120°
leaving 180 120  30 or 30° for the third angle