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Grade: 10 
        
how can we say that equilateral triangle is a subset of a triangle in a plane?
4 years ago

Answers : (1)

Sher Mohammad
IIT Delhi
askIITians Faculty
174 Points 
							Definition of triangle in a plane : <A+<B+<C=180,  <A,<B,<C any real no,. greater than zero.
And in case equilateral triangle <A=<B=<C=60  so it is also following definition of triangle and is a special case of triangle.

All equilateral triangles are triangles but all triangles are not equilateral triangles.
Soequilateral triangle is subset of triangle


Sher Mohammad
faculty askiitians
4 years ago
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