Given $a = 5 , b = 9$ , And $c = 12$

question 11

Multiple Choice

Given $a = 5 , b = 9$ , and $c = 12$ , use Heron's Area Formula to find the area of triangle $A B C$ . Round answer to two decimal places.

• A) \(20.40 \mathrm { sq }\). units
• B) \(16.97\) sq. units
• C) \(19.60\) sq. units
• D) \(12.65\) sq. units
• E) \(17.40\) sq. units

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Definitions:

Psychoanalytic Theories

A set of theories originated by Sigmund Freud that emphasize unconscious processes and childhood experiences in shaping behavior and personality.

Stage Theories

Theoretical models that describe human development as occurring in distinct phases or stages with specific characteristics.

Psychosexual Theory

A theory proposed by Freud that suggests that childhood sexual experiences significantly influence personality development.

Psychosocial Theory

A theory proposed by Erik Erikson that outlines eight stages of psychological development from infancy to late adulthood, each characterized by a specific conflict that contributes to a major aspect of personality.