What is the length of LINE AC? A. 128 B. 136 C. 144 D. 108
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Equilateral triangle has all sides equal.For triangles sum of interior angle=180degrees
since for equilateral all sides are equal then let x represent the sides
hence angle of equilateral triangle is 60
since for equilateral all sides are equal then let x represent the sides
hence angle of equilateral triangle is 60