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how can we say that equilateral triangle is a subset of a triangle in a plane?

ash jai , 10 Years ago
Grade 10
anser 1 Answers
Sher Mohammad

Last Activity: 10 Years ago

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
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