One of the corners of an isosceles triangle at 90 degrees. more than the other. Find all the corners of the triangle.

Let’s denote two unknown equal angles of an isosceles triangle through x, then the third angle will be (x + 90). Let’s write an equation for the sum of all angles, which is 180 °.

x + x + (x + 90) = 180;
3x = 180 – 90:
x = 90/3 = 30 °.
30 + 90 = 120 °.

Answer: the angles of the triangle are 30 °; 30 ° and 120 °.