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Viva Voce: Centroid of a Triangle | Lab Manuals for Class 10 PDF Download

Q.1. Define centroid.

It is the point of concurrence of all three medians of a triangle.


Q.2. In what ratio, the centroid divides the median from vertex to mid-point of the opposite side?

2:1


Q.3. Tell the number of medians in a triangle.

3


Q.4. Are three angle bisectors of a triangle meet at a point?

Yes (at incentre)


Q.5. Is the centroid lie outside the triangle?

No. It always lies inside the triangle.


Q.6. Define median.

A line segment joining a vertex to the mid-point of its opposite side is known as a median.


Q.7. In an equilateral triangle PQR, G is the centroid. What is the relationship between the areas of ∆GPQ, ∆GQR and ∆GPR?

ar (∆GPQ) = ar(∆GQR) = ar(∆GPR)


Q.8. Is it correct to say that all three medians in a triangle are same in length?

No

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