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Worksheet: Proving That a Quadrilateral Is a Rhombus


Determine whether this statement is true or false: All rhombuses are parallelograms.

  • Atrue
  • Bfalse


Choose the word that makes the statement correct: A rhombus is a parallelogram.

  • Anever
  • Bsometimes
  • Calways


What is the name for a parallelogram in which two adjacent sides are equal in length?

  • Aa rectangle
  • Ba trapezium
  • Ca kite‎
  • Da rhombus


A parallelogram is a rhombus when its two diagonals are .

  • Aequal
  • Bparallel
  • Cperpendicular


Do the diagonals of a parallelogram, or a rhombus, bisect each other?

  • Ayes
  • Bno


Is the following statement true or false? In parallelograms and rhombuses, opposite angles are equal in measure.

  • Atrue
  • Bfalse