A Theorem from Elementary Geometry States: If the Diagonals of a Quadrilateral

question 76

Essay

A theorem from elementary geometry states: If the diagonals of a quadrilateral have equal length and bisect each other, then the quadrilateral is a rectangle. Verify the points A(-1, 4), B(5, 1), C(3, -3), and D(-3, 0) are the vertices of a rectangle.

---

Definitions:

Normative Transition

Socially expected changes made by all or most members of a defined population.

Maturation

The process of development in which an individual matures or reaches a full or advanced stage of physical and emotional growth.

Birth Cohort

A group of people who were born during the same period of one or several years and who are, therefore, all exposed to particular historical events at approximately the same age.

Fixed Ratio

In operant conditioning, a schedule of reinforcement where a response is rewarded after a set number of responses.