Math Problem Statement

In triangle, C, D, E, comma△CDE, start overline, E, C, end overline, \cong, start overline, D, E, end overline EC ≅ DE and m, angle, D, equals, 72, degrees, .m∠D=72 ∘ . Find m, angle, C, .m∠C.

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Triangles
Isosceles Triangles
Angle Sum Property

Formulas

Sum of interior angles of a triangle = 180°

Theorems

Isosceles Triangle Theorem

Suitable Grade Level

Grades 7-9