The centroid of a triangle ABC is a point that divides each median in the ratio
Question
The centroid of a triangle ABC is a point that divides each median in the ratio
Solution
The centroid of a triangle ABC is a point that divides each median in the ratio 2:1.
To find the centroid of triangle ABC, follow these steps:
- Draw triangle ABC on a piece of paper or a coordinate plane.
- Locate the midpoint of each side of the triangle. To find the midpoint, measure the length of each side and divide it by 2. Mark the midpoint on each side.
- Draw a line segment connecting each vertex of the triangle to its corresponding midpoint. These line segments are called medians.
- The medians of a triangle intersect at a single point, which is the centroid.
- To find the exact coordinates of the centroid, label the vertices of the triangle with their respective coordinates (A(x1, y1), B(x2, y2), C(x3, y3)).
- Use the midpoint formula to find the coordinates of the midpoints of each side. The midpoint formula is ( (x1 + x2)/2, (y1 + y2)/2) for the midpoint between points A and B, and so on.
- Use the ratio 2:1 to find the coordinates of the centroid. The centroid's x-coordinate is ( (x1 + x2 + x3)/3 ) and the y-coordinate is ( (y1 + y2 + y3)/3 ).
By following these steps, you can find the centroid of triangle ABC.
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