Math Problem Statement

If m∠QRT=m∠SRT=66° and ST=71, what is QT? Q R S T QT=

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Isosceles Triangle
Congruent Angles

Formulas

Sum of angles in a triangle = 180°
Properties of isosceles triangles

Theorems

Base Angles Theorem
Triangle Sum Theorem

Suitable Grade Level

Grades 8-10