Question

Coordinates of midpoint of triangle is (1,2) (0,-1) and (2,-1). Find the coordinates of vertices

Answer 1

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SOME MORE MATHEMATICAL KNOWLEDGE OF TRIANGLE:



1.A triangle is a polygon with three edges and three vertices.


2.It is one of the basic shapes in geometry. A triangle with vertices A, B, and C is denoted .


3. In Euclidean geometry any three points, when non-collinear, determine a unique triangle and simultaneously, a unique plane. 

Area of triangle =½ × base × height

Perimeter of triangle =sum of side lengths of the triangle.






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