210 degrees
40 degrees
30° Right angle = 90° One third of 90 is 30.
210 degrees
The third angle of what shape?
120 degrees
A right angle is 90 degrees, so one third of a right angle is 30 degrees.
210 degrees
40 degrees
30° Right angle = 90° One third of 90 is 30.
30° Right angle = 90° One third of 90 is 30.
50
40 degrees
210 degrees
The third angle of what shape?
7/3 x 90 = 210 degrees.
The three angles of a triangle add to 180 degrees. If two of them add to 140 degrees then the third must be 180 - 140 = 40 degrees.