What do you mean by this ?
Is this historical or something I can’t tell
Answer:
Could you zoom into the image? Then I can answer it.
Cognitive behavioral therapy is a psyhoctherapy treatment in which it changes the beliefs and also, the actions or behavior of the individual. So Beck must have been practicing the cognitive behavioral therapy in which she attempts to change her thoughts, beliefs and also, her behaviors.
Since you didn't tell us which is base and height, it is either 49.5, 38.5, or 31.5? Explanation: The formula for a triangle is base x height ÷ 2. The problem is, because you didn't tell us, we have no way of knowing which is the base or height, so it is one of the three options above.
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