Question: are all 30 60 90 triangles congruent?
Answer: The angles of the triangle will be 30, 60, and 90 degrees, giving the triangle its name: 30-60-90 triangle. ... Each of these triangles is congruent, and has angles of measures 45, 45, and 90 degrees. If the legs opposite the 45 degree angles are of length x, the hypotenuse has a length of x .