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The last vertex of a quadrilateral, when 4 sides and 1 diagonal are given, is found by:

Class 8Constructing QuadrilateralsGeometry
  • Ameasuring an angle with protractor
  • Bthe intersection of two arcs of the remaining two sides
  • Cextending the diagonal
  • Djoining the two known vertices

Step-by-Step Solution

After the first triangle is drawn, the fourth vertex lies where arcs of the two remaining side lengths (from the two appropriate vertices) cross.
Answer: B) the intersection of two arcs of the remaining two sides

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