Decide whether the statement is true or false. 11.) If a quadrilateral is a rectangle, then it is a parallelogram. 12.) If a quadrilateral is a parallelogram, then it is a rhombus. 13.) If a quadrilateral is a square, then it is a rhombus. 14.) If a quadrilateral is a rectangle, then it is a rhombus. 15.) If a rhombus is a square, then it is a rectangle