Solve Applied Problems Using the Law of Cosines
-Two Points $A$

question 104

Multiple Choice

Solve Applied Problems Using the Law of Cosines
-Two points $A$ and $B$ are on opposite sides of a building. A surveyor selects a third point $C$ to place a transit. Point $\mathrm { C }$ is 54 feet from point $\mathrm { A }$ and 72 feet from point $B$ . The angle $A C B$ is $60 ^ { \circ }$ . How far apart are points $A$ and $B$ ?

• A) \(64.9\) feet
• B) \(109.5\) feet
• C) \(78.5\) feet
• D) \(100.2\) feet