can one angle of a right triangle measure 100 degrees?
No.
can a angle in a triangle be more than 100 degrees.
No, it is not possible for one angle of a right triangle to measure 100 degrees. In a right triangle, one of the angles is always 90 degrees, which is the right angle. The other two angles must add up to 90 degrees as well. So, if you have a right angle measuring 90 degrees, the sum of the other two angles must be 90 degrees as well. Therefore, it is not possible for any individual angle in a right triangle to be 100 degrees.
To prove this, you can use the fact that the sum of the angles in any triangle is always equal to 180 degrees. In a right triangle, one angle is fixed at 90 degrees. Thus, the sum of the remaining two angles must be 90 degrees. If one angle were 100 degrees, the sum of the three angles would equal 190 degrees, which contradicts the fact that it should be 180 degrees. Therefore, it is not possible for one angle of a right triangle to measure 100 degrees.