Find the Angle, in Degrees, Between Two Adjacent Sides of the Pyramid

question 21

Multiple Choice

Find the angle, in degrees, between two adjacent sides of the pyramid shown below. Round to the nearest tenth of a degree. [Note: The base of the pyramid is not considered a side.]

$P(8,0,0) , Q(8,8,0) , R(0,8,0) , S(4,4,3)$

• A) \(2.3 ^ { \circ }\)
• B) \(129.8 ^ { \circ }\)
• C) \(90 ^ { \circ }\)
• D) \(45 ^ { \circ }\)
• E) \(39.8 ^ { \circ }\)

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Definitions:

Marginal Revenue

Income gained by selling an additional unit of a product or service.

Marginal Cost

The increased expenditure incurred from producing one more unit of a product or service.

Demand Curve

A visual diagram that illustrates how the quantity of a product demanded by buyers correlates with its price.

Marginal Revenue Curve

A graphical representation showing the additional income generated from the sale of one more unit of a good or service.