Take three non-collinear points $A,B$ and $C$ on a page of your notebook. Join $AB,BC$ and $CA$ . Find the following The vertex opposite to side $AB$ .

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Solution

If we join three non-collinear points $A,B$ and $C$ lie on the plane of paper, then we will get a closed figure bounded by three line segments $AB,BC$ and $CA$ . This closed figure is called a Triangle.
In $∆ABC$ The vertex opposite to side $AB$ is $C$
Hence, the vertex opposite to side $AB$ is $C$ .

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Q. Take three non-collinear points A, B and C on a page of your notebook. Join AB, BC and CA. What figure do you get? Name the triangle. Also, name
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Take three non-collinear points A,B and C on a page of your notebook. Join AB,BC and CA. Find the following The vertex opposite to side AB.

If we join three non-collinear points A,B and C lie on the plane of paper, then we will get a closed figure bounded by three line segments AB,BC and CA. This closed figure is called a Triangle.In ∆ABC The vertex opposite to side AB is CHence, the vertex opposite to side AB is C.

Take three non-collinear points $A,B$ and $C$ on a page of your notebook. Join $AB,BC$ and $CA$ . Find the following The vertex opposite to side $AB$ .