5. In accordance with an inclusive definition, the rhombuses in the following figure are enclosed in dashed lines: For each of the possible definitions given next, de- cide whether it is a good definition (an equivalent definition) of a rhombus. If it is not equivalent, then give the number of a counterexample among the preceding figures. Possible Definition A A four-sided polygon is a rhombus if both diagonals are lines of symmetry. Equivalent definition? YES NO If NO, give the number of a counterexample: Possible Definition BA quadrilateral is a rhombus if each diagonal cuts it into two congruent halves. Equivalent definition? YES NO If NO, give the number of a counterexample: Possible Definition C A quadrilateral is a rhombus f the diagonals are perpendicular bisectors of each other. Equivalent definition? YES NO
5. In accordance with an inclusive definition, the rhombuses in the following figure are enclosed in dashed lines: For each of the possible definitions given next, de- cide whether it is a good definition (an equivalent definition) of a rhombus. If it is not equivalent, then give the number of a counterexample among the preceding figures. Possible Definition A A four-sided polygon is a rhombus if both diagonals are lines of symmetry. Equivalent definition? YES NO If NO, give the number of a counterexample: Possible Definition BA quadrilateral is a rhombus if each diagonal cuts it into two congruent halves. Equivalent definition? YES NO If NO, give the number of a counterexample: Possible Definition C A quadrilateral is a rhombus f the diagonals are perpendicular bisectors of each other. Equivalent definition? YES NO
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter1: The Six Trigonometric Functions
Section: Chapter Questions
Problem 2GP
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