Answer:
right angle triangle.
Step-by-step explanation:
I take it that these are angles and not sides.
x + x + 2x = 180 All triangles have 180 degrees. Combine the left.
4x = 180 Divide by 4
4x/4 = 180/4 Do the division
x = 45
Therefore the angles are
x = 45
x = 45
2x = 90
The triangle is a right triangle because it has 1 angle that is 90 degrees.
