10 degrees.
One ninth of 90 degrees is 10.
10 degrees.
40 degrees.
One of the triangle's angles is 90 degrees (a rightangle) and the two others are both 45 degrees. The three angles in a triangle must always (and will) add up to 180 degrees.
40 degrees
10 degrees.
10 degrees
10 degrees
2 full turns, if one turn is 360 degrees.
10 degrees
There are: 90/9 = 10 degrees
right angle is 90 degrees, one ninth of that is 90 divided by 9, which gives 10degrees