The third angle is 90 degrees so it is right angle triangle.
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A right angles triangle, as one of the angles in the triangle is 90 degrees.
It is called a 30-60-90 triangle and it is a right triangle whose sides are always in the ratio:1:2:Square root (3).
A right-angle triangle
in a 30-60-90 right triangle, a right angle is always 90 degrees, the smallest angle has a measure of 30 degrees, and the remaining angle measures 60 degrees.
A right angled scalene triangle