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    The diagram shows the base line, PQ, of triangle PQR.
    Point R can move so that the area of the triangle PQR is always the same. Sketch the locus of the point R.
    So far...
    The diagram shows a line, PQ that is 7.6cm (I measured it0
    Does this mean I should use perpendicular bisector?
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    The area will remain the same if the base of the triangle and the perpendicular height are unchanged. This is achieved if the top point of the triangle moves along a line parallel to the base.
 
 
 

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