Given $a = 7 , b = 5$ , And $c = 8$

question 53

Multiple Choice

Given $a = 7 , b = 5$ , and $c = 8$ , use the Law of Cosines to solve the triangle for the value of $B$ . Round answer to two decimal places.

• A) \(60.33 ^ { \circ }\)
• B) \(81.79 ^ { \circ }\)
• C) \(80.44 ^ { \circ }\)
• D) \(38.21 ^ { \circ }\)
• E) \(60.00 ^ { \circ }\)

---

Definitions:

Downsloping Demand Curves

A graph that illustrates the inverse relationship between the price of a good and the quantity demanded by consumers; as price decreases, the quantity demanded increases.

Inelastic Segment

Part of a demand curve where the quantity demanded changes very little with a change in price, indicating consumers' relative insensitivity to price changes.

Maximum Profits

The highest possible financial gain that a company can achieve in a given period while accounting for all costs and expenses.

Nondiscriminating Monopolist

A monopolist who charges all consumers the same price for a good or service, regardless of the demand or cost conditions.