NCERT Solution Class IX Mathematics Triangles Question 1 (Ex 7.5)

Question 1:

ABC is a triangle. Locate a point in the interior of ∆ABC which is equidistant from all

the vertices of ∆ABC.

Answer:

Circumcentre of a triangle is always equidistant from all the vertices of that triangle.

Circumcentre is the point where perpendicular bisectors of all the sides of the

triangle meet together.

 

In ∆ABC, we can find the circumcentre by drawing the perpendicular bisectors of

sides AB, BC, and CA of this triangle. O is the point where these bisectors are

meeting together. Therefore, O is the point which is equidistant from all the vertices

of ∆ABC.

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