Math Problem Statement

Given: line TS, AR, ER and aS, m angle CST = 65, and m angle CRS = 58 Find the measure of the following angles: 6. angle C 7. angle A 8 angle AST 9 angle CTS 10 angle RTS 11 angle ETR 12 angle E 13 angle R

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Angle Measurement
Triangles
Lines and Angles

Formulas

Sum of interior angles of a triangle = 180°
Adjacent angles on a straight line sum to 180°
Vertical angles are equal

Theorems

Triangle Sum Theorem
Angle Addition Postulate
Vertical Angle Theorem

Suitable Grade Level

Grades 8-10