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Orthocentre HTML5

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The orthocentre H is the intersection of the three heights of a triangle. You can modify the shape of the triangle.

Notice that each of the 4 points A,B,C,H of the figure is the orthocenter of the triangle made with the three others.

Click and drag the vertices.

Click on the ruler or the protractor to make some measurements.

Learning goals

  • To locate the orthocenter of any triangle.