triangle STR is : An Isosceles Triangle.
Meaning of an isosceles triangle
An isosceles triangle can be defined as a shape with three sides having two equal sides and to equal angles.
An isosceles triangle is a triangle that has the two equal base angles or the two angles formed at the base are equal.
In conclusion, triangle STR is An Isosceles Triangle.
Learn more about isosceles Triangle: https://brainly.com/question/1475130
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