Math Problem Statement
In ΔLMN, l = 77 cm, m = 17 cm and n=77 cm. Find the area of ΔLMN to the nearest square centimeter.
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Triangle
Isosceles Triangle
Heron's Formula
Formulas
Heron's formula: Area = √[s(s - l)(s - m)(s - n)]
Semi-perimeter: s = (l + m + n) / 2
Theorems
Heron's Theorem
Properties of Isosceles Triangles
Suitable Grade Level
Grades 9-12
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