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Objective : To locate the Orthocentre of...

Objective : To locate the Orthocentre of a triangle using paper folding.
Procedure : Using the above Activity with any two vertices of the triangle as external points, construct perpendiculars to opposite sides. The point of intersection of the perpendiculars is the Orthocentre of the given triangle.

Answer

Step by step text solution for Objective : To locate the Orthocentre of a triangle using paper folding. Procedure : Using the above Activity with any two vertices of the triangle as external points, construct perpendiculars to opposite sides. The point of intersection of the perpendiculars is the Orthocentre of the given triangle. by MATHS experts to help you in doubts & scoring excellent marks in Class 9 exams.

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Objective : To locate the circumcentre of a triangle using paper folding. Procedure : Using Activity 12, find the perpendicular bisectors for any two sides of the given triangle. The meeting point of these is the circumcentre of the given triangle.

Objective : To find the mid - point of a line segment using paper folding Procedure : make a line segment on a paper by folding it and name it PQ. Fold the line segment PQ in such a way that P falls on Q and mark the point of intersection of the line segment and crease formed by folding the paper as M. M is the midpoint of PQ.

Knowledge Check

  • The mid points of the sides of a triangle are (5, 0), (5, 12) and (0, 12). The orthocentre of this triangle is

    A
    (0,0)
    B
    (10,0)
    C
    (0, 24)
    D
    `((13)/(3), 18)`

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